Search: “Microsoft Exchange Server”

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CategoryAll Vulnerability 553 Ransomware 411 Malware 252 Exploit / PoC 224 Threat actor 132 Data breach 86 Phishing & fraud 35 Policy & legal 29 Advisory 22 Industry 16 AI tools & infra 6 Tools 5 Research 5 AI safety & security 4

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A malware campaign exploits Microsoft Exchange Server flaws

Security AffairsMay 22, 13:21 UTC · May 22, 2024Malware CVE-2021-34473 CVE-2021-34523 CVE-2021-31207

35

New 'SessionManager' Backdoor Targeting Microsoft Exchange Servers Worldwide

Infosecurity MagazineJul 1, 17:30 UTC · Jul 1, 2022Malware

42

New 'post-exploitation' threat deployed on Microsoft Exchange servers is spotted by researchers

The RecordJan 12, 00:00 UTC · Jan 12, 2023Malware

30

IceID trojan delivered via hijacked email threads, compromised MS Exchange servers

Help Net SecurityMar 29, 00:00 UTC · Mar 29, 2022Malware

30

LightNeuron, a Turla's backdoor used to compromise exchange mail servers

Security AffairsMay 7, 21:19 UTC · May 7, 2019Malware

42

Iranian Charming Kitten APT targets various entities in Brazil, Israel, and the U.A.E. using a new backdoor

Security AffairsSep 12, 05:14 UTC · Sep 12, 2023Malware

42

New PowerExchange Backdoor linked to an Iranian APT group

Security AffairsMay 26, 21:44 UTC · May 26, 2023Malware

42

Valak a sophisticated malware that completely changed in 6 months

Security AffairsMay 28, 10:21 UTC · May 28, 2020Malware

55

Week in review: Backdoor found in XZ utilities, weaponized iMessages, Exchange servers at risk

Help Net SecurityMar 31, 00:00 UTC · Mar 31, 2024Malware in the wildCVE-2024-3094 CVE-2023-48022 CVE-2023-24955

60

xHunt hackers hit Microsoft Exchange with two news backdoors

Security AffairsNov 9, 19:17 UTC · Nov 9, 2020Malware

42

Phantom Taurus: New China-Linked Hacker Group Hits Governments With Stealth Malware

The Hacker NewsOct 1, 06:55 UTC · Oct 1, 2025Malware

55

New ToddyCat Hacker Group on Experts' Radar After Targeting MS Exchange Servers

The Hacker NewsJun 23, 10:34 UTC · Jun 23, 2022Malware

55

FBI, CISA, and NSA Reveal How Hackers Targeted a Defense Industrial Base Organization

The Hacker NewsOct 6, 04:58 UTC · Oct 6, 2022Malware

42

Charming Kitten's New Backdoor 'Sponsor' Targets Brazil, Israel, and U.A.E.

The Hacker NewsSep 15, 00:00 UTC · Sep 15, 2023Malware

42

China-linked hackers target telecommunication providers in the Middle East

Security AffairsMar 24, 21:04 UTC · Mar 24, 2023Malware

42

TwoFace Webshell: Persistent Access Point for Lateral Movement

Palo Alto Unit 42Nov 1, 10:54 UTC · Nov 1, 2018Malware

30

Say “Cheese”: WebMonitor RAT Comes with C2-as-a

Palo Alto Unit 42Nov 1, 11:05 UTC · Nov 1, 2018Malware

30

China-Linked Hackers Use TernDoor, PeerTime, BruteEntry in South American Telecom Attacks

The Hacker NewsMar 6, 08:22 UTC · Mar 6, 2026Malware

55

New SparrowDoor Backdoor Variants Found in Attacks on U.S. and Mexican Organizations

The Hacker NewsMar 26, 16:59 UTC · Mar 26, 2025Malware

42

Hackers Using Malicious IIS Server Module to Steal Microsoft Exchange Credentials

The Hacker NewsDec 15, 00:00 UTC · Dec 15, 2021Malware

42

Microsoft Exposes Evasive Chinese Tarrask Malware Attacking Windows Computers

The Hacker NewsApr 15, 00:00 UTC · Apr 15, 2022Malware1

55

SonicWall confirmed that its products were affected by Y2K22 bug

Security AffairsJan 8, 13:36 UTC · Jan 8, 2022Malware

30

Experts Link Sidewalk Malware Attacks to Grayfly Chinese Hacker Group

The Hacker NewsSep 11, 08:34 UTC · Sep 11, 2021Malware

42

StrikeShark: a new campaign involving a custom SharkLoader and Cobalt Strike Beacon

Kaspersky SecurelistJun 24, 14:23 UTC · Jun 24, 2026Malware CVE-2021-26855 CVE-2023-32315 CVE-2024-36401+10 CVEs

47

Prometei Botnet Exploits Exchange Server Bugs to Grow

Infosecurity MagazineApr 22, 10:10 UTC · Apr 22, 2021Malware CVE-2021-27065 CVE-2021-26858

60

Iran APT using ‘BellaCiao’ malware against targets in US, Europe and Asia

The RecordApr 30, 16:58 UTC · Apr 30, 2023Malware

55

Acronis updates its enterprise backup solution Acronis Backup

Help Net SecurityDec 14, 13:38 UTC · Dec 14, 2023Malware

55

PC malware statistics, Q3 2022

Kaspersky SecurelistNov 18, 08:10 UTC · Nov 18, 2022Malware2

42

Chinese espionage group deploys new rootkit compatible with Windows 10 systems

The RecordDec 14, 00:00 UTC · Dec 14, 2022Malware

42

A botnet named after Prometheus is also exploiting Exchange Server flaws

CyberScoopApr 22, 12:31 UTC · Apr 22, 2021Malware in the wild

60

DOJ's Sandworm operation raises questions about how far feds can go to disarm botnets

CyberScoopApr 8, 19:30 UTC · Apr 8, 2022Malware

55

Charming Kitten's New BellaCiao Malware Discovered in Multi

The Hacker NewsApr 27, 07:58 UTC · Apr 27, 2023Malware

55

Several Malware Families Targeting IIS Web Servers With Malicious Modules

The Hacker NewsAug 6, 05:11 UTC · Aug 6, 2021Malware

42

2021: Looking back on the year in malware and cyber attacks, from SolarWinds to Log4j

Cisco TalosDec 27, 14:00 UTC · Dec 27, 2021Malware

55

Owowa: the add-on that turns your OWA into a credential stealer and remote access panel

Kaspersky SecurelistDec 14, 10:00 UTC · Dec 14, 2021Malware

30

Microsoft Warns of LemonDuck Malware Targeting Windows and Linux Systems

The Hacker NewsJul 30, 06:23 UTC · Jul 30, 2021Malware

42

New 'SessionManager' Backdoor Targeting Microsoft IIS Servers in the Wild

The Hacker NewsJul 1, 15:53 UTC · Jul 1, 2022Malware1

42

APT trends report Q3 2021

Kaspersky SecurelistOct 26, 10:00 UTC · Oct 26, 2021Malware

55

PC malware statistics, Q1 2022

Kaspersky SecurelistMay 27, 08:00 UTC · May 27, 2022Malware

42

NAPLISTENER: New Malware in REF2924 Group's Arsenal for Bypassing Detection

The Hacker NewsMar 22, 09:25 UTC · Mar 22, 2023Malware

42