Cybersecurity News and Updates

The Linux backdoor exploits 24 known flaws to compromise IoT devices and uses legitimate public STUN servers to obscure communications.

Citrix confirmed late on Friday that it was “tracking a newly observed issue” related to some customer-managed NetScaler deployments but claimed the problem was not connected to vulnerabilities reported last week that also caused alarm among cybersecurity experts.

Saif ‌al-Din Khader is cooperating with the FBI, reports said, as the bureau responds to a massive breach that exposed employee data.

Beyond the potential misuses of its services, Wikimedia said activity by AI agents can be a drain on web platforms that are already operating with limited resources.

Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling.

“Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel,” Nozomi Networks said in a report

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A blank field. A public repo. One reply to an email. A box left exposed. None of this sounds dramatic, which is partly the problem. This week’s threats keep finding leverage in small things that were easy to overlook.

There are actively exploited bugs in the mix, cleaner intrusion paths, smarter automation, and a long patch list waiting behind them. Some attacks are getting more capable. Others

Microsoft has released out-of-band security updates to address a high-severity flaw in Microsoft Exchange Server that could allow an attacker to escalate privileges under certain conditions.

The vulnerability, tracked as CVE-2026-96940, is rated 8.8 on the CVSS scoring system.

“Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a

Ukraine’s largest grocery store chain, ATB, confirmed that it was hit by a cyberattack after hackers posted an extortion demand on its website.

Citrix has confirmed that a new zero-day vulnerability, CVE-2026-88779, emerged just days after two other exploited flaws were patched.

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