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Cyber security news, as it breaks.
Updated 116 stories in 24 hours
The incidents, breaches and state campaigns making headlines.
183stories this week
28today
the last seven days
Most fromBleepingComputer, The Record, CyberScoop, SecurityWeek
In the news hereMicrosoft17ConnectWise13Google13OpenAI8SafePay2APT28 (Fancy Bear)2Qilin1RansomHub1
The state-sponsored group has launched larger-scale phishing campaigns to deploy the CosmicPulse backdoor.
SecurityWeek
ANY.RUN researchers traced a US-focused CSuite phishing campaign across 351 sandbox analyses, with 51% of submissions coming from the United States. Technology, manufacturing, government, and consulting organizations showed the highest exposure. By combining Microsoft 365 session theft with remote-access tool deployment, CSuite can turn a phishing incident into broader account compromise, fraud…
The Hacker News
Internet-exposed tech, PLCs, outside integrators and inside protections are all factors the water sector’s information sharing and analysis center is watching.
CyberScoop
Lost time. Lost jobs. Lost friends. Lost family. Lost lives. Our joint investigation reveals the system that has divided the West Bank and measures what it cost people to move through it.
WIRED
Threat actors abused fake ChatGPT Custom GPTs and ClickFix to deliver a multi-stage RAT. ChatGPT’s Custom GPT feature is the latest legitimate surface being turned into a delivery mechanism, and Huntress researchers caught it in action across at least 40 incidents. A Custom GPT (now simply called a GPT) is essentially a version of ChatGPT…
Security Affairs
Unknown threat actors have been observed exploiting a newly patched security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances to target organizations in North America and Europe. The activity, observed by Mandiant Consulting and Google Threat Intelligence Group (GTIG) in September 2026, has targeted government, financial services, technology, education, and legal and professional…
The Hacker News
A High-severity OpenSSL flaw can leak heap memory to the other side of a DTLS connection or crash the program, OpenSSL said on September 29 as it released fixes. DTLS, the TLS variant used for UDP traffic, resends a handshake message if no reply arrives before the timer expires. The leak or crash can happen…
The Hacker News
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Apple Multiple Products flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added an Apple Multiple Products flaw, tracked as CVE-2026-86950 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Apple has released security updates for iOS,…
Security Affairs
Mandiant and GTIG detail active exploitation of a Citrix NetScaler zero-day, deploying custom web shells WHIPSHOT and SLAPSHOT for root access. Mandiant and Google Threat Intelligence Group caught active exploitation of a zero-day in Citrix NetScaler ADC and Gateway appliances in late September 2026. The bug, tracked as CVE-2026-88772 (CVSS score of 9.5), has been…
Security Affairs
As aviation infrastructure suffers more cyberattacks, air traffic systems are the latest target, with a ransomware toolkit installed on at least one operational network.
Dark Reading
The US Department of Defense has confirmed a breach at one of its main repositories of personnel information, the Defense Manpower Data Center (DMDC), that has exposed the sensitive details of just over three million people. According to media reports, some 2.76 million people are impacted by the breach, as well as a further 294,000…
Bitdefender
Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-88772 (CVSS score: 9.5), has been described as a memory overflow bug in the Datagram Transport Layer Security (DTLS) protocol handling that’s rooted…
The Hacker News