Best of Show HN in Security

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#1 Show HN: Open-source private home security camera system (end-to-end encryption)

551 points | 165 comments | Nov 30, 2024 | by arrdalan

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#2 Show HN: Tracecat – Open-source security alert automation / SOAR alternative

264 points | 65 comments | Mar 25, 2024 | by neochris

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#3 Show HN: ChatGPT Plugins are a security nightmare

238 points | 41 comments | Mar 25, 2023 | by going_ham

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#4 Show HN: Turn any device with a browser into a security camera

193 points | 69 comments | Nov 07, 2019 | by geoffchan23

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#5 Show HN: Security Camera Lens Calculator

178 points | 49 comments | Nov 29, 2021 | by maxshm

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#6 Show HN: MCP-Shield – Detect security issues in MCP servers

134 points | 39 comments | Apr 15, 2025 | by nick_wolf

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#7 Show HN: Security Training for Developers

128 points | 35 comments | Mar 09, 2016 | by malcolmhere

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#8 Show HN: A ninja's Handbook: A book on privacy, security, and anonymity online

127 points | 16 comments | Aug 16, 2024 | by znano

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#9 Show HN: Bearer – Open-source code security scanning solution (SAST)

106 points | 56 comments | Mar 07, 2023 | by gmontard

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#10 Show HN: Solo, open source FIDO2 security key

98 points | 23 comments | Sep 20, 2018 | by ecesena

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#11 Show HN: Picosnitch – a reliable and lightweight security/privacy tool for Linux

92 points | 10 comments | Jan 03, 2022 | by elesiuta

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#12 Show HN: CashGraphs – A securities portfolio optimizer

82 points | 21 comments | Jul 16, 2022 | by justinluther

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#13 Show HN: Kexa.io – Open-Source IT Security and Compliance Verification

81 points | 15 comments | Apr 30, 2025 | by patrick4urcloud

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#14 Show HN: Free open-source isolated browser for security

71 points | 32 comments | May 17, 2021 | by graderjs

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#15 Show HN: Automated code security assistant for developers

64 points | 21 comments | Mar 04, 2020 | by eslamsalem

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#16 Show HN: I made a cloud security product that actually saves time

63 points | 58 comments | Mar 02, 2022 | by david_obrien

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#17 Show HN: Open-source serverless security lake powered by Rust + Apache Iceberg

63 points | 48 comments | Aug 06, 2022 | by shaeqahmed

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#18 Show HN: TideCloak – Decentralized IAM for security and user sovereignty

54 points | 36 comments | Dec 19, 2024 | by SaltNHash

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#19 Show HN: Echo Show – RaspberryPi Security Camera

54 points | 22 comments | Aug 07, 2017 | by sammachin

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#20 Show HN: Privacy-first home security on mobile with smart alerts

51 points | 30 comments | Feb 13, 2021 | by Huongngtm

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#21 Show HN: Scanning the Web for Security.txt Files

50 points | 33 comments | Jan 01, 2021 | by _ampg

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#22 Show HN: Beacon – a new open-source privacy and security-focused browser

47 points | 19 comments | Dec 14, 2021 | by ca98am79

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#23 Show HN: Octotrack – automatic dependency and security manager for Ruby apps

46 points | 33 comments | Oct 17, 2017 | by alvesjtiago

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#24 Show HN: Packagr.app – a private package repository with security scanning

43 points | 13 comments | Sep 28, 2019 | by chris140957

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#25 Show HN: NSL Archive – A record of publicly disclosed national security letters

39 points | 2 comments | Dec 19, 2017 | by xxdesmus

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#26 Show HN: Tinfoil Security -- Security For Startups. Launching soon

36 points | 8 comments | Mar 05, 2011 | by borski

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#27 Show HN: Easy to Understand Software Security Training

36 points | 3 comments | Apr 21, 2020 | by xSwag

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#28 Show HN: Metlo (YC S21) – An Open Source API Security Tool

34 points | 6 comments | Oct 13, 2022 | by ashekhawat

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#29 Show HN: The SaaS CTO Security Checklist

34 points | 1 comments | Oct 25, 2016 | by jbaviat

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#30 Show HN: Web startup security is failing and we're fixing it

33 points | 25 comments | Jul 04, 2012 | by ScanMySite

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#31 Show HN: Hacker101 – A Free Web Security Class

33 points | 4 comments | Jan 24, 2018 | by daeken

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#32 Show HN: Defguard – open-source security army knife (Identity,MFA,VPN,Yubikey)

32 points | 8 comments | May 24, 2023 | by teon

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#33 Show HN: Proactive Security Monitoring for GitHub Actions Workflows

32 points | 7 comments | Jun 26, 2024 | by fkjadoon94

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#34 Show HN: Cryptomove – security via data concealment, last-line data defense

31 points | 19 comments | Oct 07, 2015 | by bburshteyn

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#35 Show HN: On the security of the Linux disk encryption LUKS

31 points | 6 comments | May 05, 2023 | by proxystore

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#36 Show HN: Information Security Handbook

31 points | 2 comments | Nov 28, 2016 | by davito88

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#37 Show HN: ZeusCloud – an open source cloud security platform

29 points | 10 comments | Mar 28, 2023 | by varunjain99

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#38 Show HN: SecurityOverboard, a job board for information security positions

29 points | 9 comments | May 21, 2014 | by icanhasfay

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#39 Show HN: Websec Weekly – Newsletter for web security enthusiasts

29 points | 8 comments | Jan 06, 2015 | by infosec-au

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#40 Show HN: CloudSploit – Continuous AWS Security Scanning

28 points | 9 comments | Aug 14, 2015 | by cddotdotslash

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#41 Show HN: IT-Security for Developers

26 points | 3 comments | May 15, 2022 | by dck-one

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#42 Show HN: Security Book Reviews - My side project for hackers and makers

25 points | 15 comments | Apr 16, 2013 | by _b8r0

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#43 Show HN: Paladin Cyber (YC S17)- Free browser security and protection for Chrome

25 points | 3 comments | Jun 12, 2018 | by theredsix

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#44 Show HN: Check for web application security issues.

23 points | 25 comments | Jan 08, 2012 | by mcorrientes

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#45 Show HN: Fix – An open source cloud asset inventory for cloud security engineers

23 points | 8 comments | Mar 27, 2024 | by scapecast

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#46 Show HN: BountyGraph: Crowdfunded Bug Bounties and Security Audits

23 points | 8 comments | Aug 01, 2018 | by justicz

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#47 Show HN: Real-time security risks detection for any website or server

22 points | 9 comments | Nov 20, 2020 | by jcszephyr

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#48 Show HN: We built a web application security testing tool for developers and SMB

22 points | 6 comments | Dec 03, 2019 | by rejah

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#49 Show HN: Security and Docker: tips and tricks

21 points | 8 comments | Feb 07, 2019 | by made2591

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#50 Show HN: A Curated List for Application Security

21 points | 7 comments | Jun 09, 2015 | by paragon_init

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#51 Show HN: Black Hat Rust – I'm writing a book about offensive security with Rust

21 points | 1 comments | Feb 04, 2021 | by sylvain_kerkour

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#52 Show HN: Jibril – Runtime security monitoring and enforcement for modern infra

20 points | 13 comments | Mar 25, 2025 | by garnet

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#53 Show HN: Open-source security user analytics

20 points | 10 comments | Dec 31, 2024 | by reconnecting

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#54 Show HN: I'm writing a book – Cloudflare for Speed and Security

20 points | 2 comments | Oct 18, 2023 | by sylvain_kerkour

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#55 Show HN: Vulnia – Security email alerts about technologies you use daily

19 points | 8 comments | Feb 19, 2015 | by jipipayo

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#56 Show HN: SpiderSuite: Advance GUI web security crawler

19 points | 2 comments | May 06, 2023 | by 3nock

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#57 Show HN: Caido, a lightweight web security auditing toolkit

17 points | 4 comments | Jan 17, 2023 | by Sytten

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#58 Show HN: Application Security Testing for Modern Engineering Teams

17 points | 2 comments | Sep 01, 2020 | by sevs

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#59 Show HN: Receive Alerts when your Server's software has Security Vulnerabilities

16 points | 11 comments | Dec 16, 2017 | by joantune

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#60 Show HN: Viyo – Turn any device with a browser and camera into a security camera

16 points | 5 comments | Dec 06, 2019 | by geoffchan23

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#61 Show HN: Mindgard – Cyber Security Platform for AI

16 points | 1 comments | Feb 07, 2024 | by peter_garraghan

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#62 Show HN: Openapi.security, a fast security checker for REST-based API

15 points | 18 comments | Feb 14, 2023 | by glimow

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#63 Show HN: Cyguru – Open SOCaaS AI-Based Security on Autopilot

15 points | 13 comments | Mar 11, 2024 | by kokalesi

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#64 Show HN: Just raised $17M for a no BS application security platform

15 points | 10 comments | May 02, 2024 | by flxga

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#65 Show HN: Quickly Create Security Tests for All Your APIs (YC S21)

15 points | 3 comments | Jan 30, 2023 | by ashekhawat

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#66 Show HN: ZeusCloud (YC W22) – open-source cloud security

15 points | 1 comments | May 03, 2023 | by alphabetatheta

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#67 Show HN: Open-source Developer Security tools

15 points | 1 comments | Sep 01, 2022 | by alek_m

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#68 Show HN: The Draft CryptoCurrency Security Standard

15 points | 0 comments | Feb 11, 2015 | by abstrct

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#69 Show HN: tirreno ~ open-source security user analytic

15 points | 0 comments | Jan 04, 2025 | by reconnecting

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#70 Show HN: Easy email notifications for major security vulnerabilities.

14 points | 4 comments | Feb 15, 2013 | by cbarber

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#71 Show HN: Security Checklist – resources to improve online privacy and security

14 points | 3 comments | Jan 14, 2019 | by brianlovin

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#72 Show HN: Devknox – Security plugin for Android Studio to build hackproof apps

14 points | 3 comments | Sep 28, 2016 | by subho007

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#73 Show HN: Trusty – Dependency Software Supply Chain Security

14 points | 0 comments | Nov 07, 2023 | by decodebytes

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#74 Show HN: Personal security logging software [video on site]

13 points | 0 comments | Oct 09, 2017 | by henriklied

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#75 Show HN: Browser-Based Private Cloud, Remote Access and Webcam Security

12 points | 5 comments | Sep 12, 2021 | by mattf327

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#76 Show HN: Content Security Policy Report Aggregator

12 points | 4 comments | Aug 20, 2014 | by c0nrad

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#77 Show HN: Backdoor – Security CTF Platform

12 points | 3 comments | Mar 23, 2015 | by abhikandoi2000

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#78 Show HN: Zero Trust Security Assessment

12 points | 0 comments | Nov 14, 2023 | by flashropower

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#79 Show HN: Daruma – usable security and availability for cloud storage

12 points | 0 comments | Aug 30, 2016 | by sudssm

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#80 Show HN: Control – Accelerate and automate security and SOC2 compliance for free

11 points | 3 comments | Jan 14, 2021 | by mjallday

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#81 Show HN: Umbrella – an open source digital and physical security handbook

11 points | 2 comments | Dec 26, 2020 | by secfirstmd

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#82 Show HN: Gifting Bitcoins without losing sleep over security

11 points | 2 comments | Jul 01, 2017 | by piyush_soni

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#83 Show HN: FIDO2 USB+NFC token optimized for security, extensibility, and style

11 points | 0 comments | Sep 14, 2018 | by conorpp

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#84 Show HN: Turn your phone into a privacy-first, AI smart security camera

10 points | 6 comments | Apr 03, 2021 | by anh_n

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#85 Show HN: ID Guard Offline – A Password Manager with great security design

10 points | 3 comments | Jul 26, 2021 | by oledeveloper

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#86 Show HN: Notifications for security vulnerabilities in your dependencies

10 points | 2 comments | Nov 17, 2014 | by rozap

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#87 Show HN: Codebashing – Codeacademey for learning application security

10 points | 2 comments | Sep 07, 2014 | by sku2007

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#88 Show HN: Open-Source Cloud Security Alert Contextualization

10 points | 0 comments | Aug 30, 2021 | by gauravphoenix

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#89 Show HN: TypeScript Security Scanner

9 points | 2 comments | Apr 12, 2023 | by gmontard

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#90 Show HN: Interactive hacking demo of Capital One security breach

9 points | 1 comments | Aug 20, 2019 | by dkozyatinskiy

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#91 Show HN: Offensive Computer Security (Open Course, Video Lectures)

9 points | 1 comments | Nov 04, 2016 | by CiPHPerCoder

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#92 Show HN: Bailiff – Codecademy of Web App Security

9 points | 0 comments | Mar 10, 2015 | by n1pp

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#93 Show HN: Test and Improve your Startup security against DDoS attacks

9 points | 0 comments | Nov 17, 2016 | by jester23947

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#94 Show HN: Best Practices Guide Containing 50+ SEO, Speed and Security Rules

8 points | 7 comments | Feb 17, 2018 | by deadcoder0904

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#95 Show HN: Web application protection and security monitoring for web developers

8 points | 6 comments | Apr 09, 2018 | by eslamsalem

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#96 Show HN: Free GraphQL Security quick scan

8 points | 5 comments | Jun 30, 2022 | by achrafash

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#97 Show HN: Sqreen API, a security toolbox for developers

8 points | 4 comments | May 17, 2017 | by DEGoodmanWilson

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#98 Show HN: API Testing and Security with AI

8 points | 3 comments | May 06, 2025 | by siddhant_mohan

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#99 Show HN: CameraFTP – Turn any device into a virtual security camera

8 points | 2 comments | Dec 18, 2014 | by maaacheww

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#100 Show HN: How I bypassed Exchange security on Android

8 points | 2 comments | Jul 24, 2014 | by maisemali

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andrey azimov by Andrey Azimov