Search: “Firefox”

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Vulnerability 454 Malware 431 Exploit / PoC 214 Ransomware 134 Data breach 74 Phishing & fraud 64 Threat actor 62 Industry 61 Policy & legal 44 AI tools & infra 20 Research 18 Tools 9 AI safety & security 7 Advisory 7

SeverityAll critical 587 high 389 medium 433 low 161 info 40

Threat Roundup for September 3 to September 10

Cisco TalosSep 10, 19:03 UTC · Sep 10, 2021Ransomware

57

Threat Roundup for April 17 to April 24

Cisco TalosApr 24, 19:45 UTC · Apr 24, 2020Ransomware

57

Threat Roundup for July 30 to August 6

Cisco TalosAug 6, 17:49 UTC · Aug 6, 2021Ransomware

57

Threat Roundup for March 6 to March 13

Cisco TalosMar 13, 17:25 UTC · Mar 13, 2020Ransomware

57

Threat Roundup for September 9 to September 16

Cisco TalosSep 16, 17:24 UTC · Sep 16, 2022Ransomware

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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Threat Roundup for August 26 to September 2

Cisco TalosSep 2, 18:00 UTC · Sep 2, 2022Ransomware

57

GreedyBear Steals $1M in Crypto Using 150+ Malicious Firefox Wallet Extensions

The Hacker NewsAug 8, 07:16 UTC · Aug 8, 2025Ransomware

57

Threat Roundup for November 6 to November 13

Cisco TalosNov 13, 19:24 UTC · Nov 13, 2020Ransomware

57

Threat Roundup for April 9 to April 16

Cisco TalosApr 16, 19:50 UTC · Apr 16, 2021Ransomware

57

Friday Squid Blogging: Fossil of Squid Eating and Being Eaten

Schneier on SecurityJun 11, 21:18 UTC · Jun 11, 2021Ransomware

57

SecureX

Cisco TalosSep 12, 15:32 UTC · Sep 12, 2022Ransomware CVE-2021-1675 CVE-2021-34527

60

Angler Exploit Kit Continues to Evade Detection: Over 90,000 Websites Compromised

Palo Alto Unit 42Nov 1, 10:02 UTC · Nov 1, 2018Ransomware

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Criminals can build Web dossiers with data collected by browsers

Help Net SecurityMar 9, 19:58 UTC · Mar 9, 2018Ransomware

57

Threat Round Up for January 5

Cisco TalosJan 12, 17:31 UTC · Jan 12, 2018Ransomware

57

Threat Roundup for April 15 to April 22

Cisco TalosApr 22, 20:28 UTC · Apr 22, 2022Ransomware

57

Researchers warn of FFDroider and Lightning info

The Hacker NewsApr 11, 10:41 UTC · Apr 11, 2022Ransomware

57

New Attack Could Let Remote Hackers Target Devices On Internal Networks

The Hacker NewsJan 27, 12:58 UTC · Jan 27, 2021Ransomware CVE-2020-16043 CVE-2021-23961

60

Threat Source newsletter for April 9, 2020

Cisco TalosApr 9, 18:00 UTC · Apr 9, 2020Ransomware

57

Threat Roundup for January 17 to January 24

Cisco TalosJan 24, 20:58 UTC · Jan 24, 2020Ransomware

57

Threat Roundup for August 2 to August 9

Cisco TalosAug 9, 20:27 UTC · Aug 9, 2019Ransomware

57

Threat Roundup for July 12 to July 19

Cisco TalosJul 19, 23:23 UTC · Jul 19, 2019Ransomware

57

Zero Trust browsing: Protect your organization from its own users

Help Net SecurityMay 20, 05:59 UTC · May 20, 2019Ransomware

57

Threat Roundup for September 7 to September 14

Cisco TalosSep 14, 17:32 UTC · Sep 14, 2018Ransomware

57

Threat Roundup for August 17

Cisco TalosAug 24, 18:44 UTC · Aug 24, 2018Ransomware

57

Week in review: Estonia blocks certificates on ID cards, Chrome extension steals all data

Help Net SecurityNov 5, 00:00 UTC · Nov 5, 2017Ransomware

57

Warning: Millions Of P0rnHub Users Hit With Malvertising Attack

The Hacker NewsOct 10, 10:30 UTC · Oct 10, 2017Ransomware

57

Beware of Windows/MacOS/Linux Virus Spreading Through Facebook Messenger

The Hacker NewsAug 24, 16:31 UTC · Aug 24, 2017Ransomware

57

4 Possible Ways to Make Your Browser Hacker-Proof

Security AffairsJun 7, 08:04 UTC · Jun 7, 2017Ransomware

57

Both malvertising and ad blockers saw huge growth in 2016

CyberScoopJan 31, 15:50 UTC · Jan 31, 2017Ransomware

57

Which are the main browser User Interface Security Threats?

Security AffairsJan 24, 13:56 UTC · Jan 24, 2017Ransomware

57

New GenieLocker ransomware for Windows, ESXi, and Linux

Kaspersky SecurelistJul 30, 08:00 UTC · Jul 30, 2026Ransomware

57

⚡ Weekly Recap: Proxy Botnets, Browser Ransomware, AI Agent Tricks, Fake PoC Malware and More

The Hacker NewsJul 6, 13:02 UTC · Jul 6, 2026Ransomware CVE-2026-48276 CVE-2026-48283 CVE-2026-48277+69 CVEs1

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The Gentlemen RaaS Uses GentleKiller EDR Framework Targeting 400 Security Processes

The Hacker NewsJun 23, 17:43 UTC · Jun 23, 2026Ransomware

57

Inside GentleKiller: The EDR

Security AffairsJun 22, 09:39 UTC · Jun 22, 2026Ransomware

57

New Osiris Ransomware Emerges as New Strain Using POORTRY Driver in BYOVD Attack

The Hacker NewsJan 24, 08:57 UTC · Jan 24, 2026Ransomware CVE-2019-11580

60

SocGholish Malware Spread via Ad Tools; Delivers Access to LockBit, Evil Corp, and Others

The Hacker NewsAug 8, 04:01 UTC · Aug 8, 2025Ransomware CVE-2024-38196

60

Happy 15th Anniversary, KrebsOnSecurity!

Krebs on SecurityDec 30, 19:44 UTC · Dec 30, 2024Ransomware

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⚡ THN Weekly Recap: Top Cybersecurity Threats, Tools and Tips

The Hacker NewsDec 23, 12:14 UTC · Dec 23, 2024Ransomware CVE-2024-12727 CVE-2024-12728 CVE-2024-12729+23 CVEs1

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Security Affairs newsletter Round 491 by Pierluigi Paganini

Security AffairsSep 29, 13:08 UTC · Sep 29, 2024Ransomware CVE-2024-20017

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