Search: “Citrix”

190 stories

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

CategoryAll Vulnerability 196 Ransomware 190 Exploit / PoC 126 Industry 68 Threat actor 47 Malware 44 Data breach 42 Policy & legal 21 AI tools & infra 9 Phishing & fraud 8 Advisory 6 AI industry 5 Tools 4 AI safety & security 3

SeverityAll critical 447 high 191 medium 48 low 61 info 27

Citrix provides additional measures to address Citrix Bleed

Security AffairsNov 22, 08:15 UTC · Nov 22, 2023Ransomware CVE-2023-4966

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Citrix NetScaler customers hit by third actively exploited zero

CyberScoopAug 26, 21:28 UTC · Aug 26, 2025Ransomware in the wildCVE-2025-7775 CVE-2025-7776 CVE-2025-8424+3 CVEs

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Additional Entities Targeted by DarkSide Affiliate, TAG-21; Links to WellMess and Sliver Infrastructure

Recorded FutureJul 15, 00:00 UTC · Jul 15, 2025Ransomware

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Citrix users hit by actively exploited zero

CyberScoopJun 25, 20:38 UTC · Jun 25, 2025Ransomware in the wildCVE-2025-6543 CVE-2025-5777 CVE-2025-5349+1 CVEs

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HHS warns of ‘Citrix Bleed’ attacks after hospital outages

The RecordDec 1, 22:06 UTC · Dec 1, 2023Ransomware in the wildCVE-2023-4966

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FIN8-linked actor targets Citrix NetScaler systems

Security AffairsAug 29, 15:14 UTC · Aug 29, 2023Ransomware CVE-2023-3519

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Citrix warns of exploitation of Netscaler devices through new bugs

The RecordJun 25, 20:23 UTC · Jun 25, 2025Ransomware CVE-2025-6543 CVE-2025-5349 CVE-2025-5777

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China-linked hackers target gov agencies by exploiting known flaws

Security AffairsSep 15, 09:16 UTC · Sep 15, 2020Ransomware CVE-2020-5902 CVE-2019-19781 CVE-2019-11510+1 CVEs

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Citrix Bleed 2 Flaw Enables Token Theft; SAP GUI Flaws Risk Sensitive Data Exposure

The Hacker NewsJun 27, 10:45 UTC · Jun 27, 2025Ransomware in the wildCVE-2025-0055 CVE-2025-0056 CVE-2025-0059+2 CVEs

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How LockBit used Citrix Bleed to breach Boeing and other targets

Help Net SecurityNov 22, 00:00 UTC · Nov 22, 2023Ransomware in the wildCVE-2023-4966

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Ransomware group exploits Citrix NetScaler systems for initial access

Help Net SecurityAug 29, 00:00 UTC · Aug 29, 2023Ransomware in the wildCVE-2023-3519

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August 2025 CVE Landscape

Recorded FutureNov 21, 00:00 UTC · Nov 21, 2025Ransomware in the wildCVE-2025-8088 CVE-2025-7775 CVE-2025-57819+5 CVEs

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Analyzing the Threat of Ransomware Attacks Against US Elections

Recorded FutureNov 21, 00:00 UTC · Nov 21, 2025Ransomware

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‘Advanced’ hacker seen exploiting Cisco, Citrix zero

The RecordNov 12, 18:17 UTC · Nov 12, 2025Ransomware CVE-2025-5777 CVE-2025-20337

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CISA Urges Patching of Actively Exploited Citrix Bug

Infosecurity MagazineAug 17, 10:30 UTC · Aug 17, 2023Ransomware in the wildCVE-2023-24489

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Citrix security boss warns that cryptojackers are exploiting cloud ignorance

CyberScoopDec 3, 21:49 UTC · Dec 3, 2018Ransomware in the wild

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In alerting about two Citrix bugs, CISA recommends immediate attention for one

The RecordJan 18, 20:42 UTC · Jan 18, 2024Ransomware in the wildCVE-2023-6548 CVE-2023-6549

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LockBit Ransomware Exploiting Critical Citrix Bleed Vulnerability to Break In

The Hacker NewsNov 22, 11:59 UTC · Nov 22, 2023Ransomware CVE-2023-4966

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Cyber experts and officials raise alarms about exploits against Citrix and Apache products

The RecordNov 3, 18:13 UTC · Nov 3, 2023Ransomware in the wildCVE-2023-46604 CVE-2023-4966

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Citrix NetScaler Alert: Ransomware Hackers Exploiting Critical Vulnerability

The Hacker NewsAug 30, 03:26 UTC · Aug 30, 2023Ransomware CVE-2023-3519

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New Ransomware Campaign Targets Citrix NetScaler Flaw

Infosecurity MagazineAug 29, 16:30 UTC · Aug 29, 2023Ransomware CVE-2023-3519

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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

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⚡ Weekly Recap: ShareFile Threat, Citrix Bleed 2 Ransomware, AI Coding Attacks, and More

The Hacker NewsAug 4, 12:16 UTC · Aug 4, 2026Ransomware CVE-2026-50746 CVE-2026-50747 CVE-2026-50748+45 CVEs

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Ransomware Groups Turn to Citrix Bleed 2, BYOVD, and Supply Chain Credentials

The Hacker NewsJul 3, 14:36 UTC · Jul 3, 2026Ransomware CVE-2025-5777

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ThreatsDay Bulletin: FortiGate RaaS, Citrix Exploits, MCP Abuse, LiveChat Phish & More

The Hacker NewsMar 19, 14:25 UTC · Mar 19, 2026Ransomware in the wildCVE-2024-55591 CVE-2025-71257 CVE-2025-71258+4 CVEs

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Week in review: LockBit exploits Citrix Bleed, Apache ActiveMQ bug exploited for cryptojacking

Help Net SecurityNov 26, 00:00 UTC · Nov 26, 2023Ransomware in the wildCVE-2023-4966 CVE-2023-1671 CVE-2023-46604

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Week in review: Windows crypto flaw, API security risks, exploits for Citrix security hole abound

Help Net SecurityMay 28, 11:21 UTC · May 28, 2020Ransomware CVE-2019-19494 CVE-2019-19781 CVE-2020-0601

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Week in review: Kubernetes security challenges, NIST Privacy Framework, Mitsubishi Electric breach

Help Net SecurityJan 26, 00:00 UTC · Jan 26, 2020Ransomware in the wildCVE-2019-19781 CVE-2020-0674

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Industrial and Commercial Bank of China (ICBC) suffered a ransomware attack

Security AffairsNov 10, 11:11 UTC · Nov 10, 2023Ransomware in the wildCVE-2023-4966

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Friday Squid Blogging: Fossil of Squid Eating and Being Eaten

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

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Cruise line operator Carnival Corporation suffers a ransomware attack

Security AffairsAug 18, 08:21 UTC · Aug 18, 2020Ransomware CVE-2019-19781 CVE-2020-2021

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CLOP Ransomware operators hacked IndiaBulls Group

Security AffairsJun 23, 09:55 UTC · Jun 23, 2020Ransomware CVE-2019-19781

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FortiBleed Credential Theft Linked to INC and Lynx Ransomware Operations

The Hacker NewsJul 2, 13:05 UTC · Jul 2, 2026Ransomware CVE-2026-35616

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IR Q4 2023 trends: Significant increase in ransomware activity found in engagements, while education remains one of the most

Cisco TalosJan 24, 13:00 UTC · Jan 24, 2024Ransomware CVE-2020-1472

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LockBit ransomware gang leaked data stolen from Boeing

Security AffairsNov 13, 14:02 UTC · Nov 13, 2023Ransomware in the wildCVE-2023-4966

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Chinese multinational bank hit by ransomware

Help Net SecurityNov 10, 00:00 UTC · Nov 10, 2023Ransomware CVE-2023-4966

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Threat Source newsletter (Jan. 30, 2020)

Cisco TalosJan 30, 19:00 UTC · Jan 30, 2020Ransomware CVE-2019-19781

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Pennsylvania attorney general says SSNs stolen during August ransomware attack

The RecordNov 17, 19:58 UTC · Nov 17, 2025Ransomware CVE-2025-5777

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Pennsylvania AG says recovery continues after office refused to pay ransomware gang

The RecordSep 2, 18:35 UTC · Sep 2, 2025Ransomware CVE-2025-5777

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Security Affairs newsletter Round 539 by Pierluigi Paganini

Security AffairsAug 31, 05:51 UTC · Aug 31, 2025Ransomware in the wildCVE-2025-9074 CVE-2025-7775 CVE-2025-537861

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