Search: “Exchange Server”

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Preventing Data Loss: Backup and Recovery Strategies for Exchange Server Administrators

The Hacker NewsJan 25, 16:22 UTC · Jan 25, 2024Ransomware

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Microsoft's End of Support for Exchange 2016 and 2019: What IT Teams Must Do Now

The Hacker NewsFeb 20, 10:00 UTC · Feb 20, 2025Ransomware

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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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Attacks on Exchange servers expand from nation

The RecordNov 17, 06:58 UTC · Nov 17, 2022Ransomware in the wild

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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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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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CISA, NSA offer guidance to better protect Microsoft Exchange Servers

CyberScoopOct 30, 22:00 UTC · Oct 30, 2025Ransomware in the wildCVE-2025-53786

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Attackers probing for vulnerable Microsoft Exchange Servers, is yours one of them?

Help Net SecurityMar 1, 12:53 UTC · Mar 1, 2020Ransomware CVE-2020-0688

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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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Hackers Are Targeting Microsoft Exchange Servers With Ransomware

The Hacker NewsMar 15, 00:00 UTC · Mar 15, 2021Ransomware in the wild

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Microsoft One-Click Tool Mitigates Exchange Server Attacks

Infosecurity MagazineMar 16, 10:33 UTC · Mar 16, 2021Ransomware in the wildCVE-2021-26855

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LockBit affiliates compromise Microsoft Exchange servers to deploy ransomware

Security AffairsOct 12, 05:54 UTC · Oct 12, 2022Ransomware CVE-2022-21969 CVE-2022-41040 CVE-2022-41082

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Germany warns of ransomware attacks over Christmas, citing Emotet return, unpatched Exchange servers

The RecordDec 21, 00:00 UTC · Dec 21, 2022Ransomware

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No signs yet of Exchange Server compromises at federal agencies, CISA says

CyberScoopMar 10, 20:08 UTC · Mar 10, 2021Ransomware in the wild

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A Basic Timeline of the Exchange Mass-Hack

Krebs on SecurityMar 8, 16:45 UTC · Mar 8, 2021Ransomware

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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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At least 10 APT hacking groups have exploited Exchange Server bugs, ESET warns

CyberScoopMar 10, 16:25 UTC · Mar 10, 2021Ransomware in the wild

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FBI Removes Web Shells from Infected Exchange Servers

Infosecurity MagazineApr 14, 09:30 UTC · Apr 14, 2021Ransomware in the wild

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Chinese Hackers Implant PlugX Variant on Compromised MS Exchange Servers

The Hacker NewsMar 23, 11:47 UTC · Mar 23, 2022Ransomware

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Quarterly Report: Incident Response trends from Spring 2021

Cisco TalosJun 10, 12:00 UTC · Jun 10, 2021Ransomware CVE-2021-26855 CVE-2021-26857 CVE-2021-26858+4 CVEs

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Botnet operators, ransomware scammers the latest groups to pounce on Exchange Server bugs

CyberScoopMar 12, 17:07 UTC · Mar 12, 2021Ransomware in the wild

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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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German cyber agency warns 17,000 Microsoft Exchange servers are vulnerable to critical bugs

The RecordMar 27, 17:02 UTC · Mar 27, 2024Ransomware in the wild

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Microsoft Urges Customers to Secure On

The Hacker NewsJan 29, 05:12 UTC · Jan 29, 2023Ransomware

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As firms race to patch Microsoft Exchange flaws, security pros brace for ransomware outbreak

CyberScoopMar 12, 19:28 UTC · Mar 12, 2021Ransomware in the wild

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NCSC: Install Latest Microsoft Exchange Server Updates Urgently

Infosecurity MagazineMar 12, 16:35 UTC · Mar 12, 2021Ransomware

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Week in review: Attackers probing for vulnerable Exchange servers, RSA Conference 2020 coverage

Help Net SecurityMar 1, 00:00 UTC · Mar 1, 2020Ransomware in the wildCVE-2020-0688 CVE-2020-6418 CVE-2019-15126

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Researchers warn of a surge in cyber attacks against Microsoft Exchange

Security AffairsMar 12, 22:51 UTC · Mar 12, 2021Ransomware in the wildCVE-2021-26855 CVE-2021-26857 CVE-2021-26858+1 CVEs

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Microsoft Exchange flaw CVE-2024

Security AffairsFeb 21, 07:33 UTC · Feb 21, 2024Ransomware in the wildCVE-2024-21410

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ProxyLogon Microsoft Exchange exploit is completely out of the bag

Security AffairsMar 15, 12:56 UTC · Mar 15, 2021Ransomware in the wildCVE-2021-26855

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Mass Exploitation of Exchange Server ProxShell Bugs

Infosecurity MagazineAug 24, 10:27 UTC · Aug 24, 2021Ransomware in the wildCVE-2021-34473 CVE-2021-34523 CVE-2021-31207

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Analysis of Cuba ransomware gang activity and tooling

Kaspersky SecurelistSep 11, 10:00 UTC · Sep 11, 2023Ransomware CVE-2021-31207 CVE-2021-34473 CVE-2021-34523+8 CVEs

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Exchange Server Attackers Launched Scans Within Five Minutes of Disclosure

Infosecurity MagazineMay 20, 10:00 UTC · May 20, 2021Ransomware

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Hackers Exploit Apache HTTP Server Flaw to Deploy Linuxsys Cryptocurrency Miner

The Hacker NewsJul 21, 06:31 UTC · Jul 21, 2025Ransomware CVE-2021-41773 CVE-2024-36401 CVE-2023-22527+5 CVEs

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Threat Source Newsletter (April 15, 2021)

Cisco TalosApr 15, 18:00 UTC · Apr 15, 2021Ransomware CVE-2021-28480 CVE-2021-28481 CVE-2021-28482+1 CVEs

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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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Microsoft releases On-premises Mitigation Tool (EOMT) tool to fix ProxyLogon issues

Security AffairsMar 16, 08:27 UTC · Mar 16, 2021Ransomware in the wildCVE-2021-26855 CVE-2021-26857 CVE-2021-26858+1 CVEs

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Hive Ransomware extorted over $100M in ransom payments from over 1,300 companies

Security AffairsNov 18, 11:39 UTC · Nov 18, 2022Ransomware CVE-2020-12812 CVE-2021-31207 CVE-2021-34473+1 CVEs

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Use This One-Click Mitigation Tool from Microsoft to Prevent Exchange Attacks

The Hacker NewsMar 15, 00:00 UTC · Mar 15, 2021Ransomware in the wildCVE-2021-26855

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Rackspace: Play Ransomware gang used a previously unknown exploit to access its Hosted Exchange email environment

Security AffairsJan 6, 15:29 UTC · Jan 6, 2023Ransomware CVE-2022-41040 CVE-2022-41082 CVE-2022-41080

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