diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..58084aa
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,227 @@
+name: Multi-Distro Build
+
+on:
+  push:
+    branches: ["master", "main"]
+  pull_request:
+    branches: ["master", "main"]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-ubuntu:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - features: "default"
+            args: ""
+          - features: "no-default-features"
+            args: "--no-default-features"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            llvm clang libclang-dev \
+            pkg-config \
+            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
+            libpam0g-dev libdbus-1-dev \
+            libwayland-dev libxkbcommon-dev
+      - name: Build (${{ matrix.features }})
+        run: cargo build --verbose ${{ matrix.args }}
+      - name: Run tests
+        run: cargo test --verbose ${{ matrix.args }}
+      - name: Build release for size check
+        run: cargo build --release ${{ matrix.args }}
+      - name: Check binary size
+        run: |
+          size=$(wc -c < target/release/rustlock)
+          echo "Binary size (${{ matrix.features }}): $size bytes"
+          if [ "${{ matrix.features }}" = "no-default-features" ] && [ $size -gt 3000000 ]; then
+            echo "❌ Binary size exceeds 3MB threshold for no-networking build"
+            exit 1
+          elif [ "${{ matrix.features }}" = "default" ] && [ $size -gt 5000000 ]; then
+            echo "❌ Binary size exceeds 5MB threshold for networking build"
+            exit 1
+          fi
+          echo "✅ Binary size within limits"
+
+  build-debian:
+    runs-on: ubuntu-latest
+    container: debian:stable-slim
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - features: "default"
+            args: ""
+          - features: "no-default-features"
+            args: "--no-default-features"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install system dependencies
+        run: |
+          apt-get update
+          apt-get install -y \
+            curl \
+            llvm clang libclang-dev \
+            pkg-config \
+            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
+            libgdk-pixbuf-2.0-dev libpam0g-dev libdbus-1-dev \
+            libwayland-dev libxkbcommon-dev
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build (${{ matrix.features }})
+        run: cargo build --verbose ${{ matrix.args }}
+      - name: Run tests
+        run: cargo test --verbose ${{ matrix.args }}
+      - name: Build release for size check
+        run: cargo build --release ${{ matrix.args }}
+      - name: Check binary size
+        run: |
+          size=$(wc -c < target/release/rustlock)
+          echo "Binary size (${{ matrix.features }}): $size bytes"
+          if [ "${{ matrix.features }}" = "no-default-features" ] && [ $size -gt 3000000 ]; then
+            echo "❌ Binary size exceeds 3MB threshold for no-networking build"
+            exit 1
+          elif [ "${{ matrix.features }}" = "default" ] && [ $size -gt 5000000 ]; then
+            echo "❌ Binary size exceeds 5MB threshold for networking build"
+            exit 1
+          fi
+          echo "✅ Binary size within limits"
+
+  build-fedora:
+    runs-on: ubuntu-latest
+    container: fedora:latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - features: "default"
+            args: ""
+          - features: "no-default-features"
+            args: "--no-default-features"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install system dependencies
+        run: |
+          dnf install -y \
+            curl \
+            llvm clang clang-devel \
+            pkgconfig \
+            glib2-devel cairo-devel cairo-gobject-devel pango-devel atk-devel \
+            gdk-pixbuf2-devel pam-devel dbus-devel \
+            wayland-devel libxkbcommon-devel
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build (${{ matrix.features }})
+        run: cargo build --verbose ${{ matrix.args }}
+      - name: Run tests
+        run: cargo test --verbose ${{ matrix.args }}
+      - name: Build release for size check
+        run: cargo build --release ${{ matrix.args }}
+      - name: Check binary size
+        run: |
+          size=$(wc -c < target/release/rustlock)
+          echo "Binary size (${{ matrix.features }}): $size bytes"
+          if [ "${{ matrix.features }}" = "no-default-features" ] && [ $size -gt 3000000 ]; then
+            echo "❌ Binary size exceeds 3MB threshold for no-networking build"
+            exit 1
+          elif [ "${{ matrix.features }}" = "default" ] && [ $size -gt 5000000 ]; then
+            echo "❌ Binary size exceeds 5MB threshold for networking build"
+            exit 1
+          fi
+          echo "✅ Binary size within limits"
+
+  build-arch:
+    runs-on: ubuntu-latest
+    container: archlinux:latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - features: "default"
+            args: ""
+          - features: "no-default-features"
+            args: "--no-default-features"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install system dependencies
+        run: |
+          pacman -Sy --noconfirm \
+            base-devel \
+            llvm clang pkgconf \
+            glib2 cairo pango atk gdk-pixbuf2 \
+            pam dbus \
+            wayland libxkbcommon
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build (${{ matrix.features }})
+        run: cargo build --verbose ${{ matrix.args }}
+      - name: Run tests
+        run: cargo test --verbose ${{ matrix.args }}
+      - name: Build release for size check
+        run: cargo build --release ${{ matrix.args }}
+      - name: Check binary size
+        run: |
+          size=$(wc -c < target/release/rustlock)
+          echo "Binary size (${{ matrix.features }}): $size bytes"
+          if [ "${{ matrix.features }}" = "no-default-features" ] && [ $size -gt 3000000 ]; then
+            echo "❌ Binary size exceeds 3MB threshold for no-networking build"
+            exit 1
+          elif [ "${{ matrix.features }}" = "default" ] && [ $size -gt 5000000 ]; then
+            echo "❌ Binary size exceeds 5MB threshold for networking build"
+            exit 1
+          fi
+          echo "✅ Binary size within limits"
+
+  build-opensuse:
+    runs-on: ubuntu-latest
+    container: opensuse/tumbleweed:latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - features: "default"
+            args: ""
+          - features: "no-default-features"
+            args: "--no-default-features"
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install system dependencies
+        run: |
+          zypper install -y \
+            curl \
+            llvm clang-devel \
+            pkgconfig \
+            glib2-devel cairo-devel pango-devel atk-devel \
+            gdk-pixbuf-devel pam-devel dbus-1-devel \
+            wayland-devel libxkbcommon-devel
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build (${{ matrix.features }})
+        run: cargo build --verbose ${{ matrix.args }}
+      - name: Run tests
+        run: cargo test --verbose ${{ matrix.args }}
+      - name: Build release for size check
+        run: cargo build --release ${{ matrix.args }}
+      - name: Check binary size
+        run: |
+          size=$(wc -c < target/release/rustlock)
+          echo "Binary size (${{ matrix.features }}): $size bytes"
+          if [ "${{ matrix.features }}" = "no-default-features" ] && [ $size -gt 3000000 ]; then
+            echo "❌ Binary size exceeds 3MB threshold for no-networking build"
+            exit 1
+          elif [ "${{ matrix.features }}" = "default" ] && [ $size -gt 5000000 ]; then
+            echo "❌ Binary size exceeds 5MB threshold for networking build"
+            exit 1
+          fi
+          echo "✅ Binary size within limits"
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
deleted file mode 100644
index 0f8bcd6..0000000
--- a/.github/workflows/ci.yml
+++ /dev/null
@@ -1,113 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: ["master", "main"]
-  pull_request:
-    branches: ["master", "main"]
-
-env:
-  CARGO_TERM_COLOR: always
-
-jobs:
-  build-ubuntu:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - features: "default"
-            args: ""
-          - features: "networking"
-            args: "--features networking"
-          - features: "no-default-features"
-            args: "--no-default-features"
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install system dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y \
-            llvm clang libclang-dev \
-            pkg-config \
-            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
-            libpam0g-dev libdbus-1-dev \
-            libwayland-dev libxkbcommon-dev
-      - name: Build (${{ matrix.features }})
-        run: cargo build --verbose ${{ matrix.args }}
-      - name: Run tests
-        run: cargo test --verbose
-
-  build-debian:
-    runs-on: ubuntu-latest
-    container: debian:stable-slim
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install system dependencies
-        run: |
-          apt-get update
-          apt-get install -y \
-            llvm clang libclang-dev \
-            pkg-config \
-            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
-            libpam0g-dev libdbus-1-dev \
-            libwayland-dev libxkbcommon-dev \
-            cargo rustc
-      - name: Build
-        run: cargo build --verbose
-
-  build-fedora:
-    runs-on: ubuntu-latest
-    container: fedora:latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install system dependencies
-        run: |
-          dnf install -y \
-            llvm clang libclang-devel \
-            pkg-config \
-            glib2-devel cairo-devel pango-devel atk-devel \
-            pam-devel dbus-devel \
-            wayland-devel libxkbcommon-devel \
-            cargo rust
-      - name: Build
-        run: cargo build --verbose
-
-  build-arch:
-    runs-on: ubuntu-latest
-    container: archlinux:latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install system dependencies
-        run: |
-          pacman -Sy --noconfirm \
-            llvm clang pkgconf \
-            glib2 cairo pango atk \
-            pam dbus \
-            wayland libxkbcommon \
-            rust cargo
-      - name: Build
-        run: cargo build --verbose
-
-  build-opensuse:
-    runs-on: ubuntu-latest
-    container: opensuse/tumbleweed:latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Swatinem/rust-cache@v2
-      - name: Install system dependencies
-        run: |
-          zypper install -y \
-            llvm clang \
-            pkg-config \
-            glib2-devel cairo-devel pango-devel atk-devel \
-            pam-devel dbus-1-devel \
-            wayland-devel libxkbcommon-devel \
-            rust cargo
-      - name: Build
-        run: cargo build --verbose
-
diff --git a/.github/workflows/metrics.yml b/.github/workflows/metrics.yml
new file mode 100644
index 0000000..d521f18
--- /dev/null
+++ b/.github/workflows/metrics.yml
@@ -0,0 +1,97 @@
+name: Metrics Collection
+
+on:
+  schedule:
+    - cron: '0 0 * * 1'  # Weekly on Monday at midnight
+  workflow_dispatch:
+  push:
+    branches: [main, master]
+    paths:
+      - 'src/**'
+      - 'Cargo.toml'
+      - '.github/workflows/metrics.yml'
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  collect-metrics:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      
+      - name: Install Rust with tools
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      
+
+      
+      - name: Generate test coverage
+        run: |
+          cargo install cargo-tarpaulin
+          cargo tarpaulin --out Html --out Lcov --output-dir ./coverage
+      
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: ./coverage
+          retention-days: 30
+      
+      - name: Count lines of code
+        run: |
+          cargo install tokei
+          tokei --output json > loc.json
+          echo "Lines of code:"
+          tokei --type=Rust
+      
+      - name: Upload LOC metrics
+        uses: actions/upload-artifact@v4
+        with:
+          name: loc-metrics
+          path: loc.json
+          retention-days: 30
+      
+      - name: Check compile times
+        run: |
+          echo "=== Compilation Metrics ==="
+          echo "Note: For accurate compile times, run: cargo clean && cargo build --timings"
+          echo ""
+          echo "To optimize compile times:"
+          echo "1. Check for large dependencies with: cargo tree --depth 1"
+          echo "2. Consider feature flag optimization"
+          echo "3. Review workspace structure"
+      
+      - name: Dependency analysis
+        run: |
+          cargo install cargo-depgraph
+          cargo depgraph --all-features --dedup-transitive --format dot > deps.dot
+          echo "Dependency graph generated: deps.dot"
+          echo "Total dependencies: $(cargo tree --depth 0 | wc -l)"
+      
+      - name: Upload dependency graph
+        uses: actions/upload-artifact@v4
+        with:
+          name: dependency-graph
+          path: deps.dot
+          retention-days: 30
+      
+      - name: Metrics summary
+        run: |
+          echo "=== Build Metrics Summary ==="
+          echo ""
+          echo "📊 Coverage: HTML and Lcov reports generated"
+          echo "📈 LOC: Lines of code counted and saved"
+          echo "🔗 Dependencies: Graph visualization available"
+          echo ""
+          echo "Artifacts available for 30 days:"
+          echo "  - coverage-report/"
+          echo "  - loc-metrics/loc.json"
+          echo "  - dependency-graph/deps.dot"
+          echo ""
+          echo "Next steps:"
+          echo "1. Review coverage reports to identify untested code"
+          echo "2. Monitor LOC growth over time"
+          echo "3. Analyze dependency graph for optimization opportunities"
\ No newline at end of file
diff --git a/.github/workflows/quality.yml b/.github/workflows/quality.yml
new file mode 100644
index 0000000..0e321c5
--- /dev/null
+++ b/.github/workflows/quality.yml
@@ -0,0 +1,51 @@
+name: Code Quality
+
+on:
+  push:
+    branches: ["master", "main"]
+  pull_request:
+    branches: ["master", "main"]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  quality-checks:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            llvm clang libclang-dev \
+            pkg-config \
+            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
+            libpam0g-dev libdbus-1-dev \
+            libwayland-dev libxkbcommon-dev
+      
+      - name: Install Rust with tools
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+      
+      - name: Check formatting
+        run: cargo fmt -- --check
+      
+      - name: Run clippy
+        run: cargo clippy -- -D warnings
+      
+      - name: Install cargo-deny
+        run: cargo install cargo-deny 
+      
+      - name: Check dependencies with cargo-deny
+        run: cargo deny check
+      
+      - name: Run unit tests
+        run: cargo test --quiet
+      
+      - name: Check documentation
+        run: cargo doc --no-deps --document-private-items
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 336730c..206f2b9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -4,126 +4,85 @@ on:
   push:
     tags:
       - 'v*'
-  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
 
 jobs:
-  build-ubuntu:
+  release-build:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         include:
           - variant: "default"
+            args: ""
+            distro: "ubuntu"
+          - variant: "no-networking"
             args: "--no-default-features"
-          - variant: "networking"
-            args: "--features networking"
+            distro: "ubuntu"
+          - variant: "default"
+            args: ""
+            distro: "debian"
+          - variant: "default"
+            args: ""
+            distro: "fedora"
+          - variant: "default"
+            args: ""
+            distro: "arch"
+    container: ${{ matrix.distro == 'ubuntu' && 'ubuntu:latest' || matrix.distro == 'debian' && 'debian:stable-slim' || matrix.distro == 'fedora' && 'fedora:latest' || 'archlinux:latest' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Install system dependencies
+      - name: Install system dependencies (Ubuntu/Debian)
+        if: matrix.distro == 'ubuntu' || matrix.distro == 'debian'
         run: |
-          sudo apt-get update
-          sudo apt-get install -y \
+          apt-get update
+          apt-get install -y \
+            curl \
             llvm clang libclang-dev \
             pkg-config \
             libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
-            libpam0g-dev \
+            libgdk-pixbuf-2.0-dev libpam0g-dev libdbus-1-dev \
             libwayland-dev libxkbcommon-dev
 
-      - name: Build ${{ matrix.variant }}
+      - name: Install system dependencies (Fedora)
+        if: matrix.distro == 'fedora'
+        run: |
+          dnf install -y \
+            curl \
+            llvm clang clang-devel \
+            pkgconfig \
+            glib2-devel cairo-devel cairo-gobject-devel pango-devel atk-devel \
+            gdk-pixbuf2-devel pam-devel dbus-devel \
+            wayland-devel libxkbcommon-devel
+
+      - name: Install system dependencies (Arch)
+        if: matrix.distro == 'arch'
+        run: |
+          pacman -Sy --noconfirm \
+            base-devel \
+            llvm clang pkgconf \
+            glib2 cairo pango atk gdk-pixbuf2 \
+            pam dbus \
+            wayland libxkbcommon
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Build ${{ matrix.variant }} (${{ matrix.distro }})
         run: cargo build --release ${{ matrix.args }}
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
-          name: rustlock-${{ matrix.variant }}-ubuntu
-          path: target/release/rustlock
-
-  build-debian:
-    runs-on: ubuntu-latest
-    container: debian:stable-slim
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install system dependencies
-        run: |
-          apt-get update
-          apt-get install -y \
-            llvm clang libclang-dev \
-            pkg-config \
-            libglib2.0-dev libcairo2-dev libpango1.0-dev libatk1.0-dev \
-            libpam0g-dev \
-            libwayland-dev libxkbcommon-dev \
-            cargo rust
-
-      - name: Build
-        run: cargo build --release
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: rustlock-default-debian
-          path: target/release/rustlock
-
-  build-fedora:
-    runs-on: ubuntu-latest
-    container: fedora:latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install system dependencies
-        run: |
-          dnf install -y \
-            llvm clang libclang-devel \
-            pkg-config \
-            glib2-devel cairo-devel pango-devel atk-devel \
-            pam-devel \
-            wayland-devel libxkbcommon-devel \
-            rust cargo
-
-      - name: Build
-        run: cargo build --release
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: rustlock-default-fedora
-          path: target/release/rustlock
-
-  build-arch:
-    runs-on: ubuntu-latest
-    container: archlinux:latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install system dependencies
-        run: |
-          pacman -Sy --noconfirm \
-            llvm clang pkgconf \
-            glib2 cairo pango atk \
-            pam \
-            wayland libxkbcommon \
-            rust cargo
-
-      - name: Build
-        run: cargo build --release
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: rustlock-default-arch
+          name: rustlock-${{ matrix.variant }}-${{ matrix.distro }}
           path: target/release/rustlock
 
   release:
     runs-on: ubuntu-latest
-    needs: [build-ubuntu, build-debian, build-fedora, build-arch]
+    needs: [release-build]
     permissions:
       contents: write
     steps:
@@ -135,6 +94,9 @@ jobs:
         with:
           path: artifacts
 
+      - name: List artifacts
+        run: ls -la artifacts/
+
       - name: Determine tag
         id: tag
         run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
@@ -148,9 +110,9 @@ jobs:
           prerelease: ${{ contains(github.ref_name, 'alpha') || contains(github.ref_name, 'beta') }}
           files: |
             artifacts/rustlock-default-ubuntu/rustlock
-            artifacts/rustlock-networking-ubuntu/rustlock
+            artifacts/rustlock-no-networking-ubuntu/rustlock
             artifacts/rustlock-default-debian/rustlock
             artifacts/rustlock-default-fedora/rustlock
             artifacts/rustlock-default-arch/rustlock
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
new file mode 100644
index 0000000..5782c8c
--- /dev/null
+++ b/.github/workflows/security.yml
@@ -0,0 +1,68 @@
+name: Security Scan
+
+on:
+  schedule:
+    - cron: '0 0 * * 0'  # Weekly on Sunday at midnight
+  workflow_dispatch:      # Manual trigger
+  push:
+    branches: [main, master]
+    paths:
+      - 'Cargo.toml'
+      - 'Cargo.lock'
+      - 'deny.toml'
+      - '.github/workflows/security.yml'
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  security-audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: Swatinem/rust-cache@v2
+      
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      
+      - name: Install security tools
+        run: |
+          cargo install cargo-audit 
+          cargo install cargo-deny 
+      
+      - name: Run cargo audit
+        run: cargo audit
+      
+      - name: Run cargo deny (advisories only)
+        run: cargo deny check advisories
+      
+      - name: Run cargo deny (full check)
+        run: cargo deny check
+      
+      - name: Generate Software Bill of Materials (SBOM)
+        run: |
+          cargo install cargo-cyclonedx 
+          cargo cyclonedx --format json --output bom.json
+      
+      - name: Upload SBOM
+        uses: actions/upload-artifact@v4
+        with:
+          name: sbom
+          path: bom.json
+          retention-days: 90
+      
+      - name: Check for outdated dependencies
+        run: |
+          cargo install cargo-outdated 
+          cargo outdated --exit-code 1 || echo "Some dependencies are outdated"
+      
+      - name: Security summary
+        run: |
+          echo "=== Security Scan Complete ==="
+          echo "✅ cargo audit - Vulnerability scanning"
+          echo "✅ cargo deny - Advisory and license checking"
+          echo "✅ SBOM generated - Software Bill of Materials"
+          echo "✅ Outdated dependencies checked"
+          echo ""
+          echo "Next scheduled scan: Weekly (Sunday 00:00 UTC)"
+          echo "Manual trigger: Click 'Run workflow' in GitHub Actions"
\ No newline at end of file
diff --git a/deny.toml b/deny.toml
new file mode 100644
index 0000000..083ca57
--- /dev/null
+++ b/deny.toml
@@ -0,0 +1,70 @@
+# Cargo-deny configuration for RustLock
+# See: https://embarkstudios.github.io/cargo-deny/
+
+[advisories]
+# Check for security vulnerabilities
+vulnerability = "deny"
+# Check for unmaintained crates
+unmaintained = "warn"
+# Check for unsound crates
+unsound = "deny"
+# Check for yanked crates
+yanked = "deny"
+# Ignore specific advisories
+ignore = [
+    # Add specific advisory IDs to ignore here if needed
+]
+
+# Sources for advisory database
+[advisories.db]
+# Use GitHub advisory database
+github-data = "https://github.com/rustsec/advisory-db"
+# Update frequency (daily)
+update-frequency = "daily"
+
+[bans]
+# Multiple versions of the same crate
+multiple-versions = "allow"
+# Wildcard dependencies (e.g., "1.*")
+wildcards = "deny"
+
+# Skip specific crates from checks
+skip = [
+    # Add crate names to skip here if needed
+]
+
+[licenses]
+# Default license policy
+default = "deny"
+# Allow these licenses
+allow = [
+    "MIT",
+    "Apache-2.0",
+    "BSD-2-Clause",
+    "BSD-3-Clause",
+    "ISC",
+    "Zlib",
+    "Unlicense",
+    "CC0-1.0",
+    "MPL-2.0",
+    "AGPL-3.0-or-later",  # Our own license
+]
+# Copyleft licenses that require special attention
+copyleft = "warn"
+# Unknown licenses
+unlicensed = "deny"
+
+# Skip specific crates from license checks
+skip = [
+    # Add crate names to skip here if needed
+]
+
+[sources]
+# Allow only these registries
+allow-registry = ["https://github.com/rust-lang/crates.io-index"]
+# Deny git repositories (except for specific cases)
+allow-git = []
+
+[metadata]
+# Minimum severity level to display
+severity-threshold = "low"
\ No newline at end of file