Palo Alto Unit 42·Jun 6, 2024 criticalActor Exploits Microsoft Exchange Server Vulnerabilities, Cortex XDR Blocks Harvesting of Credentials#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 13 min
Palo Alto Unit 42·Jun 6, 2024 criticalTHOR: Previously Unseen PlugX Variant Deployed During Microsoft Exchange Server Attacks by PKPLUG Group#cve-2021-26855#cve-2021-27065#vulnerability 15 min1
Security Affairs·Mar 11, 2023 highPrometei botnet is targeting ProxyLogon Microsoft Exchange flaws#cve-2021-27065#cve-2021-26858#malware 3 min
The Record·Jan 30, 2023 criticalMicrosoft: Chinese APT Targeted Exchange Servers With Four Zero#cve-2021-26855#cve-2021-26857#cve-2021-26858 2 min
The Record·Jan 17, 2023 highGerman government warns of APT27 activity targeting local companies#cve-2021-40539#cve-2021-26855#cve-2021-26857 2 min
The Record·Jan 10, 2023 criticalCISA: Multiple government hacking groups had ‘long#cve-2021-26855#cve-2021-26857#cve-2021-26868 4 min
Security Affairs·Jan 4, 2022 criticalThe worst cyber attacks of 2021#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 4 min1
Help Net Security·Dec 10, 2021 criticalMicrosoft vulnerabilities have grave implications for organizations of all sizes#cve-2021-26855#cve-2021-27065#cve-2021-31196 7 min
The Hacker News·Aug 15, 2021 highHackers Actively Searching for Unpatched Microsoft Exchange Servers#cve-2021-26855#cve-2021-27065#cve-2021-34473 in the wild 3 min
The Hacker News·Aug 13, 2021 criticalMicrosoft Issues Security Patches for 89 Flaws — IE 0#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 3 min2
Security Affairs·Jul 28, 2021US, UK, and Australian agencies warn of top routinely exploited issues#cve-2021-26855#cve-2021-26857#cve-2021-26858 2 min1
Security Affairs·Jun 26, 2021 highEpsilon Red – more than 3.5 thousand servers are still vulnerable#cve-2020-1472#cve-2021-26855#cve-2021-27065 5 min
Kaspersky Securelist·Jun 17, 2021 criticalBlack Kingdom ransomware#cve-2021-27065#cve-2019-11510#cve-2021-26855 11 min
Cisco Talos·Jun 10, 2021 criticalQuarterly Report: Incident Response trends from Spring 2021#cve-2021-26855#cve-2021-26857#cve-2021-26858 8 min
Help Net Security·Jun 8, 2021 criticalMarch 2021 Patch Tuesday forecast: Off to an early start#cve-2021-26855#cve-2021-26857#cve-2021-26858 3 min
Kaspersky Securelist·May 31, 2021 criticalIT threat evolution Q1 2021#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 15 min
Cisco Talos·May 7, 2021 criticalLemon Duck spreads its wings: Actors target Microsoft Exchange servers, incorporate new TTPs#cve-2021-26855#cve-2021-26857#cve-2021-26858 15 min1
The Hacker News·Apr 23, 2021 highPrometei Botnet Exploiting Unpatched Microsoft Exchange Servers#cve-2021-27065#cve-2021-26858#vulnerability 3 min
Infosecurity Magazine·Apr 22, 2021 criticalPrometei Botnet Exploits Exchange Server Bugs to Grow#cve-2021-27065#cve-2021-26858#malware 2 min
Help Net Security·Apr 22, 2021 highMonero-mining botnet targets orgs through recent MS Exchange vulnerabilities#cve-2021-27065#cve-2021-26858#vulnerability 2 min
Security Affairs·Apr 14, 2021 criticalFBI silently removed web shells planted on Microsoft Exchange servers#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 3 min
Infosecurity Magazine·Mar 30, 2021 highConcerns as Ransomware and Exchange Server Attacks Surge#cve-2021-27065#ransomware 2 min
Security Affairs·Mar 25, 2021 critical62,000 Microsoft Exchange Servers potentially left unpatched#cve-2021-26855#cve-2021-26857#cve-2021-26858 in the wild 3 min