Search: “Microsoft Exchange”

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CategoryAll Ransomware 703 Vulnerability 667 Exploit / PoC 439 Malware 340 Threat actor 244 Data breach 205 Policy & legal 164 Phishing & fraud 116 Industry 45 Advisory 27 AI safety & security 16 AI tools & infra 14 Tools 11 AI industry 11

SeverityAll critical 1765 high 791 medium 300 low 116 info 45

New LockFile gang uses ProxyShell and PetitPotam exploits

Security AffairsAug 23, 20:02 UTC · Aug 23, 2021Ransomware CVE-2021-34473 CVE-2021-34523 CVE-2021-31207

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New Microsoft Exchange exploit chain lets ransomware attackers in (CVE-2022-41080)

Help Net SecurityDec 21, 00:00 UTC · Dec 21, 2022Ransomware in the wildCVE-2022-41080 CVE-2022-41082 CVE-2022-410401

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Conti ransomware gang targets Microsoft Exchange servers with ProxyShell exploits

Security AffairsSep 3, 17:00 UTC · Sep 3, 2021Ransomware CVE-2021-34473 CVE-2021-34523 CVE-2021-31207

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Black Kingdom is targeting Microsoft Exchange servers

Security AffairsMar 24, 13:39 UTC · Mar 24, 2021Ransomware

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Microsoft Exchange vulnerabilities exploited once again for ransomware, this time with Babuk

Cisco TalosNov 3, 12:00 UTC · Nov 3, 2021Ransomware CVE-2021-36942

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Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

The Hacker NewsMar 25, 12:05 UTC · Mar 25, 2021Ransomware

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A hacking group is hijacking Microsoft Exchange web shells

The RecordNov 17, 00:00 UTC · Nov 17, 2022Ransomware

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WARNING: Microsoft Exchange Under Attack With ProxyShell Flaws

The Hacker NewsAug 23, 13:28 UTC · Aug 23, 2021Ransomware in the wildCVE-2021-34473 CVE-2021-34523 CVE-2021-31207

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Microsoft Exchange servers targeted by DearCry ransomware abusing ProxyLogon bugs

The RecordNov 17, 00:00 UTC · Nov 17, 2022Ransomware

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Microsoft Exchange servers targeted by second ransomware group

The RecordNov 17, 00:00 UTC · Nov 17, 2022Ransomware

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Microsoft shares one-click ProxyLogon mitigation tool for Exchange servers

The RecordJan 24, 00:00 UTC · Jan 24, 2023Ransomware CVE-2021-26855

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BlackCat Ransomware Gang Targeting Unpatched Microsoft Exchange Servers

The Hacker NewsJun 17, 02:32 UTC · Jun 17, 2022Ransomware

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Almost 2,000 Exchange servers hacked using ProxyShell exploit

The RecordDec 15, 00:00 UTC · Dec 15, 2022Ransomware CVE-2021-34473 CVE-2021-34523 CVE-2021-31207

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BlackCat Ransomware affiliates target unpatched Microsoft Exchange servers

Security AffairsJun 16, 21:53 UTC · Jun 16, 2022Ransomware

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Play ransomware attacks use a new exploit to bypass ProxyNotShell mitigations on Exchange servers

Security AffairsDec 21, 23:26 UTC · Dec 21, 2022Ransomware CVE-2022-41040 CVE-2022-41082 CVE-2022-41080

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IT threat evolution Q1 2021. Non

Kaspersky SecurelistMay 31, 10:00 UTC · May 31, 2021Ransomware

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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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Concerns as Ransomware and Exchange Server Attacks Surge

Infosecurity MagazineMar 30, 11:25 UTC · Mar 30, 2021Ransomware CVE-2021-27065

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Canadian university dealing with ransomware attack on email system

The RecordJun 2, 21:01 UTC · Jun 2, 2023Ransomware

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#RSAC: NSA Outlines Threats from Russia, China and Ransomware

Infosecurity MagazineJun 9, 22:00 UTC · Jun 9, 2022Ransomware

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Head Mare and Twelve: Joint attacks on Russian entities

Kaspersky SecurelistMar 13, 10:07 UTC · Mar 13, 2025Ransomware CVE-2023-38831 CVE-2021-26855

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US authorities have indicted Black Kingdom ransomware admin

Security AffairsMay 5, 00:15 UTC · May 5, 2025Ransomware

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We\'re responding in election cycles:' Niloofar Razi Howe on the big changes needed to prevent the next SolarWinds attack

The RecordJan 26, 00:00 UTC · Jan 26, 2023Ransomware

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Quarterly Report: Incident Response trends from Winter 2020

Cisco TalosMar 24, 12:26 UTC · Mar 24, 2021Ransomware CVE-2021-26855 CVE-2020-5902 CVE-2019-18935

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Fog ransomware attack on Asia financial org draws attention over use of employee monitoring software

The RecordJun 12, 17:06 UTC · Jun 12, 2025Ransomware

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US, UK, and Australia warn of Iranian hacking activity after Microsoft report

The RecordDec 19, 00:00 UTC · Dec 19, 2022Ransomware CVE-2018-13379 CVE-2020-12812 CVE-2019-5591+1 CVEs

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Ransomware Attack Wipes Out Four Months of Sri Lankan Government Data

Infosecurity MagazineSep 11, 12:10 UTC · Sep 11, 2023Ransomware

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IKEA hit by a cyber attack that uses stolen internal reply

Security AffairsNov 27, 11:27 UTC · Nov 27, 2021Ransomware CVE-2021-26855 CVE-2021-34473 CVE-2021-34523

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From BlackMatter to BlackCat: Analyzing two attacks from one affiliate

Cisco TalosMar 17, 11:58 UTC · Mar 17, 2022Ransomware

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IT threat evolution in Q3 2021. PC statistics

Kaspersky SecurelistNov 26, 12:00 UTC · Nov 26, 2021Ransomware CVE-2019-7481 CVE-2021-1675 CVE-2021-34527+4 CVEs

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Threat Source newsletter for July 2, 2020

Cisco TalosJul 2, 18:00 UTC · Jul 2, 2020Ransomware

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New Incident Report Reveals How Hive Ransomware Targets Organizations

The Hacker NewsApr 21, 10:00 UTC · Apr 21, 2022Ransomware CVE-2021-31207 CVE-2021-34523 CVE-2021-34473

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Threat actor exploits MS ProxyShell flaws to deploy Babuk ransomware

Security AffairsNov 5, 11:52 UTC · Nov 5, 2021Ransomware

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Rackspace Hosted Exchange service outage caused by security incident

Help Net SecurityDec 5, 00:00 UTC · Dec 5, 2022Ransomware

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Epsilon Red – more than 3.5 thousand servers are still vulnerable

Security AffairsJun 26, 05:11 UTC · Jun 26, 2021Ransomware CVE-2020-1472 CVE-2021-26855 CVE-2021-27065

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FIN7 Cybercrime Syndicate Emerges as a Major Player in Ransomware Landscape

The Hacker NewsDec 26, 11:59 UTC · Dec 26, 2022Ransomware CVE-2020-0688 CVE-2021-42321

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Rackspace ransomware attack was executed by using previously unknown security exploit

Help Net SecurityNov 20, 13:31 UTC · Nov 20, 2023Ransomware CVE-2022-41082 CVE-2022-41080

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Rackspace says ransomware attack caused outage

The RecordJan 9, 00:00 UTC · Jan 9, 2023Ransomware

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FBI operation removed web shells from hacked Exchange servers across the US

The RecordJan 26, 00:00 UTC · Jan 26, 2023Ransomware

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Rackspace Hosted Exchange outage was caused by ransomware

Help Net SecurityDec 6, 00:00 UTC · Dec 6, 2022Ransomware1

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