Search: “open-source”

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CategoryAll Vulnerability 1684 Malware 1062 Exploit / PoC 738 Ransomware 699 Threat actor 415 Industry 315 Data breach 277 Policy & legal 239 Tools 146 AI safety & security 145 Phishing & fraud 142 AI tools & infra 106 Research 60 AI research 45

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20 Free Cybersecurity Tools You Might Have Missed

Help Net SecurityJun 4, 00:00 UTC · Jun 4, 2024Ransomware

60

20 Essential Open-Source Cybersecurity Tools That Save You Time

Help Net SecurityMar 25, 00:00 UTC · Mar 25, 2024Ransomware

45

A refresher on Talos’ open-source tools and the importance of the open

Cisco TalosAug 13, 14:37 UTC · Aug 13, 2024Ransomware

57

Hottest cybersecurity open-source tools of the month: April 2025

Help Net SecurityMay 1, 00:00 UTC · May 1, 2025Ransomware

57

Aranya: Open-source toolkit to accelerate secure by design concepts

Help Net SecurityOct 21, 00:00 UTC · Oct 21, 2024Ransomware

60

YES3 Scanner: Open-source S3 security scanner for public access, ransomware protection

Help Net SecurityApr 7, 00:00 UTC · Apr 7, 2025Ransomware

57

IntelOwl: Open-source threat intelligence management

Help Net SecurityAug 14, 00:00 UTC · Aug 14, 2024Ransomware

60

Video: How Talos’ open-source tools can assist anyone looking to improve their security resilience

Cisco TalosJun 22, 12:53 UTC · Jun 22, 2023Ransomware

57

Cybersixgill introduces new features and capabilities to strengthen threat analysis

Help Net SecurityDec 7, 00:00 UTC · Dec 7, 2023Ransomware

60

Finders Keypers: Open-source AWS KMS key usage finder

Help Net SecurityApr 2, 08:45 UTC · Apr 2, 2025Ransomware

57

MISP: Open-source threat intelligence and sharing platform

Help Net SecurityAug 5, 00:00 UTC · Aug 5, 2024Ransomware

57

RansomLord: Open-source anti-ransomware exploit tool

Help Net SecurityJun 5, 07:42 UTC · Jun 5, 2024Ransomware

57

How software development's speed obsession enabled TeamPCP’s chaos crusade

CyberScoopJun 18, 23:03 UTC · Jun 18, 2026Ransomware1

57

CloudGrappler: Open-source tool detects activity in cloud environments

Help Net SecurityApr 17, 12:37 UTC · Apr 17, 2026Ransomware

45

Open-source AdaptixC2 hacking tool has fans in Russian cybercrime underground

The RecordOct 30, 16:27 UTC · Oct 30, 2025Ransomware

57

Week in review: Claude Mythos finds 271 Firefox flaws, Vercel breach

Help Net SecurityApr 26, 00:00 UTC · Apr 26, 2026Ransomware in the wildCVE-2026-20133 CVE-2026-21876 CVE-2026-28950

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Open-Source CyberStrikeAI Deployed in AI-Driven FortiGate Attacks Across 55 Countries

The Hacker NewsMar 3, 14:29 UTC · Mar 3, 2026Ransomware

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Week in review: Hackers extorting Salesforce, CentreStack 0-day exploited

Help Net SecurityOct 12, 00:00 UTC · Oct 12, 2025Ransomware CVE-2025-61882 CVE-2025-49844 CVE-2025-11371

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Week in review: Critical SAP NetWeaver flaw exploited, RSAC 2025 Conference

Help Net SecurityMay 4, 00:00 UTC · May 4, 2025Ransomware in the wildCVE-2025-31324 CVE-2025-3928 CVE-2025-42599+1 CVEs

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NetSPI unveils two open-source tools to assist defence teams in uncovering vulnerable network shares

Help Net SecurityAug 10, 00:00 UTC · Aug 10, 2022Ransomware

57

Week in review: Many Cisco ASA firewalls still unsecure, hackers claim Red Hat’s GitLab breach

Help Net SecurityOct 5, 00:00 UTC · Oct 5, 2025Ransomware CVE-2025-30247 CVE-2025-20333 CVE-2025-203621

60

Week in review: Microsoft SharePoint servers under attack, landing your first cybersecurity job

Help Net SecurityJul 27, 00:00 UTC · Jul 27, 2025Ransomware in the wildCVE-2025-40599 CVE-2025-54309

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Cyber Criminals Exploit Open-Source Tools to Compromise Financial Institutions Across Africa

The Hacker NewsJun 26, 08:08 UTC · Jun 26, 2025Ransomware

57

Questions mount as Ivanti tackles another round of zero

CyberScoopMay 28, 21:39 UTC · May 28, 2025Ransomware in the wildCVE-2025-4427 CVE-2025-4428

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Week in review: PostgreSQL 0-day exploited in US Treasury hack, top OSINT books to learn from

Help Net SecurityFeb 23, 00:00 UTC · Feb 23, 2025Ransomware in the wildCVE-2025-1094 CVE-2025-0108

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Week in review: Attackers trying to access Check Point VPNs, NIST CSF 2.0 security metrics evolution

Help Net SecurityJun 2, 00:00 UTC · Jun 2, 2024Ransomware CVE-2024-24919 CVE-2024-23108 CVE-2023-34992

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Week in review: Palo Alto firewalls mitigation ineffective, PuTTY client vulnerable to key recovery attack

Help Net SecurityApr 21, 00:00 UTC · Apr 21, 2024Ransomware CVE-2024-3400 CVE-2024-31497 CVE-2024-29204+1 CVEs

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Darktrace Newsroom monitors open-source intelligence sources

Help Net SecurityFeb 24, 00:00 UTC · Feb 24, 2023Ransomware

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Week in review: Chrome sandbox escape 0-day fixed, Microsoft adds new AI agents to Security Copilot

Help Net SecurityMar 30, 00:00 UTC · Mar 30, 2025Ransomware CVE-2025-2783 CVE-2025-2857 CVE-2025-2825+1 CVEs1

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Stratoshark: Wireshark for the cloud - now available!

Help Net SecurityJan 22, 00:00 UTC · Jan 22, 2025Ransomware

57

Week in review: AWS S3 data encrypted without ransomware, data of 15k Fortinet firewalls leaked

Help Net SecurityJan 19, 00:00 UTC · Jan 19, 2025Ransomware in the wildCVE-2024-55591 CVE-2025-0282 CVE-2024-7344

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Week in review: Microsoft Teams risks, open-source dependencies, DNS's role in network security

Help Net SecurityJun 13, 00:00 UTC · Jun 13, 2021Ransomware in the wild

60

Cryptominers, ransomware among top malware in IR engagements in Q4

Cisco TalosNov 20, 16:00 UTC · Nov 20, 2019Ransomware in the wild

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⚡ Weekly Recap: New Linux Flaw, PAN-OS Exploit, AI

The Hacker NewsJun 2, 03:39 UTC · Jun 2, 2026Ransomware in the wildCVE-2026-0257 CVE-2026-8732 CVE-2026-27771+31 CVEs

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⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and More

The Hacker NewsMay 19, 04:33 UTC · May 19, 2026Ransomware in the wildCVE-2026-42897 CVE-2026-20182 CVE-2026-20127

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OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident

The Hacker NewsApr 15, 00:00 UTC · Apr 15, 2026Ransomware CVE-2026-33634

60

Adversary Infrastructure Report 2020: A Defender’s View

Recorded FutureJan 2, 00:00 UTC · Jan 2, 2026Ransomware

57

Uncovering Qilin attack methods exposed through multiple cases

Cisco TalosOct 27, 02:00 UTC · Oct 27, 2025Ransomware

57

IR Trends Q3 2025: ToolShell attacks dominate, highlighting criticality of segmentation and rapid response

Cisco TalosOct 23, 10:00 UTC · Oct 23, 2025Ransomware in the wildCVE-2025-53770 CVE-2025-53771 CVE-2025-49704+1 CVEs

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Week in review: Chrome 0-day fixed, npm supply chain attack, LinkedIn data used for AI

Help Net SecuritySep 21, 00:00 UTC · Sep 21, 2025Ransomware in the wildCVE-2025-10585

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