Critical Zimbra RCE flaw now actively exploited in attacks
CERT Polska, the Polish Computer Emergency Response Team (CERT), warned that attackers have begun exploiting a critical vulnerability in Zimbra Collaboration Suite (ZCS). [...]
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Microsoft says August Windows updates may cause gaming issues
Microsoft is investigating a potential issue with the August 2026 updates that may prevent some games from launching or cause them to crash on affected Windows 11 systems. [...]
OpenAI confirms ChatGPT is down as logins and signups fail
ChatGPT is experiencing a major outage, and users are unable to sign in, create accounts, or load chats, including previous conversations. [...]
Rogue ransomware affiliate poses as recovery firm to steal payments
A suspected ransomware affiliate is posing as a ransomware recovery service called "Ransom Busters," contacting the victims before the attacks become public and claiming to be able to provide decryption keys and delete stolen data for a fee. [...]
Sakura Internet hack exposes data of up to 1.36 million accounts
Japanese cloud and data center service provider Sakura Internet disclosed that hackers accessed its sales management system, where customer contract and membership information is stored. [...]
Healthtech firm CareCloud data breach impacts 3.7 million patients
U.S. healthcare IT company CareCloud disclosed that the data breach incident it suffered earlier this year has impacted more than 3.7 million individuals. [...]
Hackers compromise 14,500 Dahua web cameras in 35-day campaign
In a large-scale campaign that researchers dubbed CameraSwarm, hackers compromised more than 14,500 Dahua IP cameras mostly in Ukraine and Russia. [...]
US warns of AI-powered attacks on Siemens PLCs in critical infrastructure
U.S. cybersecurity agencies warn that threat actors are using AI-generated scripts to exploit Siemens S7 Series programmable logic controllers (PLCs) in U.S. critical infrastructure. [...]
US charges Iranian hackers over $3.4 billion intellectual property theft
The U.S. has charged 17 Iranians, alleged members of a hacking-for-hire company called Mabna Institute, involved in years-long operations that stole data from American organizations. [...]
Password spraying attacks surge 155x as hackers exploit MFA gaps
Huntress observed a 155x increase in password spraying attacks in H1 2026, including a campaign that generated more than 81 million login attempts in two weeks. The attacks exploited legacy authentication and gaps in MFA policies that left some login flows unprotected. [...]
Microsoft fixes known issue causing Windows Defender crashes
Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. [...]
Critical RCE flaw in Windows IKE Extension now actively exploited
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned that hackers are exploiting a critical-severity remote code execution (RCE) flaw in the Windows Internet Key Exchange (IKE) Service Extensions component. [...]
Windows 11 24H2 Home and Pro reach end of support in 2 months
Microsoft has reminded customers that systems running Home and Pro editions of Windows 11 24H2 will stop receiving updates in two months. [...]
CISA: Medusa ransomware hit over 500 critical infrastructure orgs
The FBI said Tuesday that the Medusa ransomware gang has breached more than 500 critical infrastructure organizations in the United States since June 2021. [...]
Comcast turns your Xfinity WiFi into a home motion detector
Comcast is promoting WiFi-based motion detection as a part of its new Xfinity Shield home protection platform, allowing routers and wireless devices to detect people moving through a home without cameras or motion sensors. [...]
Clop created custom web shell for Windchill data theft attacks
A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. [...]
Your Controls Block Known Attacks. What About the Behavior?
Security controls can block a familiar attack method while missing quieter ways to achieve the same objective. Picus Security's Blue Report 2026 shows how prevention rates can vary dramatically by technique and why behavioral testing is needed to uncover those gaps. [...]
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