All posts tagged "Microsoft Exchange"
-
3.8KCyber AttackTurla’s New DeliveryCheck Backdoor Breaches Ukrainian Defense Sector
The defense sector in Ukraine and Eastern Europe has been targeted by a novel .NET-based backdoor called DeliveryCheck (aka CAPIBAR or GAMEDAY)...
-
3.3KMalwareRansomware Hackers Using New Way to Bypass MS Exchange ProxyNotShell Mitigations
Threat actors affiliated with a ransomware strain known as Play are leveraging a never-before-seen exploit chain that bypasses blocking rules for ProxyNotShell...
-
4.9KVulnerabilitiesState-Sponsored Hackers Likely Exploited MS Exchange 0-Days Against ~10 Organizations
Microsoft on Friday disclosed that a single activity group in August 2022 achieved initial access and breached Exchange servers by chaining the...
-
3.2KVulnerabilitiesWARNING: New Unpatched Microsoft Exchange Zero-Day Under Active Exploitation
Security researchers are warning of previously undisclosed flaws in fully patched Microsoft Exchange servers being exploited by malicious actors in real-world attacks...
-
5.2KMalwareNew ‘SessionManager’ Backdoor Targeting Microsoft IIS Servers in the Wild
A newly discovered malware has been put to use in the wild at least since March 2021 to backdoor Microsoft Exchange servers...
-
748Cyber AttackAPT Hackers Targeting Industrial Control Systems with ShadowPad Backdoor
Entities located in Afghanistan, Malaysia, and Pakistan are in the crosshairs of an attack campaign that targets unpatched Microsoft Exchange Servers as...
-
3.9KCyber AttackNew Incident Report Reveals How Hive Ransomware Targets Organizations
A recent Hive ransomware attack carried out by an affiliate involved the exploitation of “ProxyShell” vulnerabilities in the Microsoft Exchange Server that...
-
2.9KMalwareMoses Staff Hackers Targeting Israeli Organizations for Cyber Espionage
The politically motivated Moses Staff hacker group has been observed using a custom multi-component toolset with the goal of carrying out espionage...
-
4.5KData BreachMicrosoft Exchange Bug Exposes ~100,000 Windows Domain Credentials
An unpatched design flaw in the implementation of Microsoft Exchange’s Autodiscover protocol has resulted in the leak of approximately 100,000 login names...
-
2.9KVulnerabilitiesNew Microsoft Exchange ‘ProxyToken’ Flaw Lets Attackers Reconfigure Mailboxes
Details have emerged about a now-patched security vulnerability impacting Microsoft Exchange Server that could be weaponized by an unauthenticated attacker to modify...
-
1.1KCyber AttackUS and Global Allies Accuse China of Massive Microsoft Exchange Attack
The U.S. government and its key allies, including the European Union, the U.K., and NATO, formally attributed the massive cyberattack against Microsoft...
-
2.2KMalwarePrometei Botnet Exploiting Unpatched Microsoft Exchange Servers
Attackers are exploiting the ProxyLogon Microsoft Exchange Server flaws to co-opt vulnerable machines to a cryptocurrency botnet named Prometei, according to new...
-
3.2KVulnerabilitiesNSA Discovers New Vulnerabilities Affecting Microsoft Exchange Servers
In its April slate of patches, Microsoft rolled out fixes for a total of 114 security flaws, including an actively exploited zero-day...
-
3.3KVulnerabilitiesProxyLogon PoC Exploit Released; Likely to Fuel More Disruptive Cyber Attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) on Wednesday issued a joint advisory warning...
-
285GeekLinux And Open Source Pioneer Munich Is Already Replacing Free Software With Microsoft’s Products
Earlier this year in March, it was reported that European open source pioneer Munich had decided to ditch Linux and adopt Windows...
