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BlockBlock

brew install --cask blockblock v2.5.0

Monitor and block unauthorized persistence attempts in common malware locations.

Why you might care

BlockBlock from Objective-See watches system locations where malware typically installs itself (login items, LaunchAgents, etc.) and alerts you before persistence is established. It's free, open-source, and runs with minimal overhead—useful if you want real-time visibility into what's trying to survive system reboots.

Categories

security monitoring system-utility

Alternatives

Little Snitch Objective-See Lulu
260
30-day installs · #759
865
90-day · #710
2.4k
365-day · #878

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata 
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  "alternatives": [
    "Little Snitch",
    "Objective-See Lulu"
  ],
  "artifacts": [
    {
      "uninstall": [
        {
          "script": {
            "args": [
              "-uninstall"
            ],
            "executable": "$HOMEBREW_PREFIX/Caskroom/blockblock/2.5.0/BlockBlock Installer.app/Contents/MacOS/BlockBlock Installer",
            "sudo": true
          }
        }
      ]
    },
    {
      "installer": [
        {
          "script": {
            "args": [
              "-install"
            ],
            "executable": "$HOMEBREW_PREFIX/Caskroom/blockblock/2.5.0/BlockBlock Installer.app/Contents/MacOS/BlockBlock Installer",
            "sudo": true
          }
        }
      ]
    },
    {
      "zap": [
        {
          "trash": [
            "~/Library/Caches/com.objective-see.blockblock.helper",
            "~/Library/HTTPStorages/com.objective-see.blockblock.helper",
            "~/Library/Preferences/com.objective-see.blockblock.helper.plist",
            "~/Library/Preferences/com.objectiveSee.BlockBlock.plist"
          ]
        }
      ]
    }
  ],
  "auto_updates": null,
  "categories": [
    "security",
    "monitoring",
    "system-utility"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Monitors common persistence locations",
  "disable_reason": null,
  "disabled": 0,
  "display_name": "BlockBlock",
  "enrichment_fetched_at": "2026-06-20T22:41:06+00:00",
  "first_seen": "2026-06-20T00:47:34+00:00",
  "full_token": "blockblock",
  "github_default_branch": null,
  "github_last_commit_at": null,
  "github_readme_excerpt": null,
  "github_repo": null,
  "github_stars": null,
  "github_topics": [],
  "homepage": "https://objective-see.org/products/blockblock.html",
  "homepage_og_description": "Protection Against Persistent Mac Malware",
  "homepage_og_image": "https://objective-see.org/images/BB/blockblock.png",
  "homepage_title": "Objective-See: BlockBlock",
  "installs_30d": 260,
  "installs_365d": 2358,
  "installs_90d": 865,
  "last_seen": "2026-06-20T00:47:34+00:00",
  "llm_generated_at": "2026-06-20T23:05:26+00:00",
  "llm_model": "claude-haiku-4-5",
  "names": [
    "BlockBlock"
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  "one_liner": "Monitor and block unauthorized persistence attempts in common malware locations.",
  "rank_30d": 759,
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  "raw_hash": "f56e857f211c4eca",
  "ruby_source_path": "Casks/b/blockblock.rb",
  "tap": "homebrew/cask",
  "token": "blockblock",
  "version": "2.5.0",
  "why_use_this": "BlockBlock from Objective-See watches system locations where malware typically installs itself (login items, LaunchAgents, etc.) and alerts you before persistence is established. It\u0027s free, open-source, and runs with minimal overhead\u2014useful if you want real-time visibility into what\u0027s trying to survive system reboots."
}