Search: “firefox”

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CategoryAll Vulnerability 453 Malware 430 Exploit / PoC 213 Ransomware 134 Data breach 74 Phishing & fraud 63 Threat actor 62 Industry 60 Policy & legal 44 AI tools & infra 20 Research 18 Tools 9 AI safety & security 7 Advisory 7

SeverityAll critical 586 high 388 medium 432 low 160 info 36

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

Firefox Zero

Security AffairsJun 19, 09:43 UTC · Jun 19, 2019Ransomware

60

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

60

Russia-aligned RomCom hackers exploited Firefox and Windows zero

The RecordNov 26, 00:00 UTC · Nov 26, 2024Ransomware CVE-2024-9680

60

Threat Roundup for August 26 to September 2

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

57

Spoofing search results and infecting browser extensions: Razy in search of cryptocurrency

Kaspersky SecurelistJan 24, 11:34 UTC · Jan 24, 2019Ransomware

45

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

Week in review: Sextortion, Firefox 0-day, and next level red teaming

Help Net SecurityDec 4, 00:00 UTC · Dec 4, 2016Ransomware in the wild

60

THN Cybersecurity Recap: Top Threats, Tools and Trends (Oct 7

The Hacker NewsOct 21, 12:12 UTC · Oct 21, 2024Ransomware in the wild

60

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

Week in review: Citrix bug under attack, Windows 7 ransomware risk, ATT&CK for ICS

Help Net SecurityJan 12, 00:00 UTC · Jan 12, 2020Ransomware in the wildCVE-2019-19781 CVE-2019-17026 CVE-2019-2215

60

⚡ Weekly Recap: Chrome 0-Day, IngressNightmare, Solar Bugs, DNS Tactics, and More

The Hacker NewsAug 19, 13:08 UTC · Aug 19, 2025Ransomware in the wildCVE-2025-2783 CVE-2025-2857 CVE-2025-1974+11 CVEs

60

⚡ Weekly Recap: Chrome 0-Day, IngressNightmare, Solar Bugs, DNS Tactics, and More

The Hacker NewsMay 17, 13:56 UTC · May 17, 2025Ransomware in the wildCVE-2025-2783 CVE-2025-2857 CVE-2025-1974+11 CVEs

60

SecureX

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

60

Week in review: Linux bug gives root access to attackers, UPS devices' vulns, IoT security for OEMs

Help Net SecurityMar 13, 00:00 UTC · Mar 13, 2022Ransomware in the wildCVE-2022-26485 CVE-2022-26486 CVE-2022-0847

60

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

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

57

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

Week in review: Risk assessment, fileless attacks, and the most hackable holiday gifts

Help Net SecurityNov 19, 00:00 UTC · Nov 19, 2017Ransomware

60

When Browsers Become the Attack Surface: Rethinking Security for Scattered Spider

The Hacker NewsSep 1, 11:55 UTC · Sep 1, 2025Ransomware

60

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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Urgent: Microsoft Issues Patches for 97 Flaws, Including Active Ransomware Exploit

The Hacker NewsApr 15, 00:00 UTC · Apr 15, 2023Ransomware in the wildCVE-2023-28252 CVE-2022-24521 CVE-2022-37969+6 CVEs

60

Non

Kaspersky SecurelistAug 15, 12:00 UTC · Aug 15, 2022Ransomware CVE-2022-26809 CVE-2022-24491 CVE-2022-24497+1 CVEs

60

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

Week in review: Healthcare CISOs challenges, another Windows Print Spooler bug

Help Net SecurityAug 30, 09:21 UTC · Aug 30, 2021Ransomware CVE-2021-36958

60

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

Week in review: FireEye breach, vulnerable TCP/IP stacks, Kali Linux and the future of pentesting

Help Net SecurityDec 13, 00:00 UTC · Dec 13, 2020Ransomware in the wild1

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

Week in review: Marriott breach details, public-interest technology, the quantum computer threat

Help Net SecurityMar 17, 00:00 UTC · Mar 17, 2019Ransomware

60