Hottest cybersecurity open-source tools of the month: February 2026Help Net Security·Feb 26, 00:00 UTC · Feb 26, 2026Malware30
New open-source infostealer, and reflections on 2023 so farCisco Talos·Aug 31, 18:00 UTC · Aug 31, 2023Malware55
SapphireStealer: Open-source information stealer enables credential and data theftCisco Talos·Aug 31, 12:00 UTC · Aug 31, 2023Malware42
AsyncRAT's Open-Source Code Sparks Surge in Dangerous Malware Variants Across the GlobeThe Hacker News·Jul 15, 00:00 UTC · Jul 15, 2025Malware30
The Solidity Language open-source package was used in a $500,000 crypto heistKaspersky Securelist·Jul 10, 11:00 UTC · Jul 10, 2025Malware42
Kunai: Open-source threat hunting tool for LinuxHelp Net Security·Feb 19, 00:00 UTC · Feb 19, 2025Malware55
Week in review: MOVEit auth bypass flaws quitely fixed, open-source Rafel RAT targets AndroidsHelp Net Security·Jun 30, 00:00 UTC · Jun 30, 2024MalwareCVE-2024-5805CVE-2024-5806CVE-2024-527660
Rogue npm Package Deploys Open-Source Rootkit in New Supply Chain AttackThe Hacker News·Oct 6, 08:35 UTC · Oct 6, 2023Malware42
fiddleitm: Open-source mitmproxy add-on identifies malicious web trafficHelp Net Security·Jun 9, 00:00 UTC · Jun 9, 2025Malware30
Old certificate, new signature: Open-source tools forge signature timestamps on Windows driversCisco Talos·Jul 11, 17:04 UTC · Jul 11, 2023Malware55
What closed-source software developers can learn from their open-source counterpartsHelp Net Security·Jun 1, 12:28 UTC · Jun 1, 2023Malware30
GhostContainer backdoor for Exchange serversKaspersky Securelist·Jul 17, 08:00 UTC · Jul 17, 2025MalwareCVE-2020-068847
Lazarus Group's infrastructure reuse leads to discovery of new malwareCisco Talos·Aug 24, 12:04 UTC · Aug 24, 2023MalwareCVE-2022-4796660
SkillSpector: NVIDIA's open-source security scanner for AI agent skillsHelp Net Security·Aug 3, 00:00 UTC · Aug 3, 2026Malware55
Rustinel: Open-source endpoint detection for Windows and LinuxHelp Net Security·May 11, 00:00 UTC · May 11, 2026Malware130
Sprout: Open-source bootloader built for speed and securityHelp Net Security·Nov 13, 00:00 UTC · Nov 13, 2025Malware55
Maltrail: Open-source malicious traffic detection systemHelp Net Security·Oct 15, 00:00 UTC · Oct 15, 2025Malware30
Proxmox Mail Gateway: Open-source email security solution reaches version 9.0Help Net Security·Oct 6, 00:00 UTC · Oct 6, 2025Malware30
Tired of gaps in your security? These open-source tools can helpHelp Net Security·Jul 17, 00:00 UTC · Jul 17, 2025Malware30
Cryptomator: Open-source cloud storage encryptionHelp Net Security·Aug 28, 00:00 UTC · Aug 28, 2024Malware42
x64dbg: Open-source binary debugger for WindowsHelp Net Security·Aug 19, 00:00 UTC · Aug 19, 2024Malware30
Secretive: Open-source app for storing and managing SSH keys in the Secure EnclaveHelp Net Security·Jul 31, 00:00 UTC · Jul 31, 2024Malware30
Realm: Open-source adversary emulation frameworkHelp Net Security·Jul 15, 00:00 UTC · Jul 15, 2024Malware30
Sniffnet: Free, open-source network monitoringHelp Net Security·Jun 6, 00:00 UTC · Jun 6, 2024Malware30
Open-source tool Sage puts a security layer between AI agents and the OSHelp Net Security·Mar 9, 00:00 UTC · Mar 9, 2026Malware42
mquire: Open-source Linux memory forensics toolHelp Net Security·Mar 4, 00:00 UTC · Mar 4, 2026Malware130
Brutus: Open-source credential testing tool for offensive securityHelp Net Security·Feb 13, 00:00 UTC · Feb 13, 2026Malware42
Global Threat Map: Open-source real-time situational awareness platformHelp Net Security·Feb 4, 00:00 UTC · Feb 4, 2026Malware42
Pompelmi: Open-source secure file upload scanning for Node.jsHelp Net Security·Feb 2, 00:00 UTC · Feb 2, 2026Malware30
UTMStack: Open-source unified threat management platformHelp Net Security·Dec 12, 15:13 UTC · Dec 12, 2025Malware30
Portmaster: Open-source application firewallHelp Net Security·Dec 3, 00:00 UTC · Dec 3, 2025Malware30
RIFT: New open-source tool from Microsoft helps analyze Rust malwareHelp Net Security·Jun 30, 00:00 UTC · Jun 30, 2025Malware42
Open-source malware doubles, data exfiltration attacks dominateHelp Net Security·Apr 3, 00:00 UTC · Apr 3, 2025Malware30
Balancing proprietary and open-source tools in cyber threat researchHelp Net Security·Jan 6, 00:00 UTC · Jan 6, 2025Malware55
RiskInDroid: Open-source risk analysis of Android appsHelp Net Security·Mar 25, 07:16 UTC · Mar 25, 2024Malware30
MobSF: Open-source security research platform for mobile appsHelp Net Security·Mar 25, 07:14 UTC · Mar 25, 2024Malware30
Hackers modify open-source ‘SapphireStealer’ malware, leading to multiple variantsThe Record·Aug 31, 19:56 UTC · Aug 31, 2023Malware42
Microsoft releases open-source CodeQL queries to assess Solorigate compromiseSecurity Affairs·Feb 26, 17:36 UTC · Feb 26, 2021Malware42