OpenAI is preparing to add invisible watermarks to text generated by ChatGPT and Codex in the European Union. [...]

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

Hackers are actively scanning for a Rejetto HFS weak signing key vulnerability, tracked as CVE-2026-61500, that allows session forgery, account takeover, and remote code execution (RCE). [...]

Italy's Data Protection Authority (GPDP) has fined IQVIA €7 million ($7.8M) over poor data-processing practices that the agency says could have put roughly one million patients at risk of data exposure and de-anonymization. [...]

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

An emerging threat group known as TA419 established seemingly legitimate professional relationships with AI policy experts working for US think tanks, universities, and legal organizations.

Denmark's Central Population Register (CPR) is warning of a data breach that exposed the personal information of approximately 8.8 million registered individuals. [...]

Dell warned customers to patch a critical vulnerability in the System Update (DSU) command-line interface (CLI) deployment tool as soon as possible. [...]

Google has temporarily stopped accepting product vulnerability reports through its Open Source Software Vulnerability Reward Program (OSS VRP). The post Google Narrows Open Source Bug Bounty Amid Wave of Invalid Automated Reports appeared first on SecurityWeek.

South Korea's Financial Services Commission (FSC) held an emergency meeting following a series of cyberattacks targeting financial institutions in the country. [...]

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

tenfold has added shared content governance and real-time event auditing to its free Community Edition for organizations with under 150 users. The new features help teams manage Microsoft 365 sharing and investigate suspicious identity activity. [...]

The U.S. Department of Justice has announced the arrest of the alleged developer of Ploutus malware, used to steal millions of dollars in ATM jackpotting attacks across the United States. [...]

AI-powered attacks are fast, relentless, and automated. How security teams can keep up is top of mind, according to the latest Dark Reading reader poll.

ClingSTUN operates as a back-connect proxy backdoor, sets up persistence, and contains exploits for self-propagation. The post Linux Backdoor Abuses STUN Protocol, Exploits Dozens of Flaws appeared first on SecurityWeek.

Hackers stole patient information from Clover Health Investments and AngMar Management Services in July. The post 250,000 Impacted by Data Breaches at New Jersey, Texas Healthcare Firms appeared first on SecurityWeek.

Every modern enterprise depends on credentials. This is how humans, systems, and now AI, all connect to data, services, and each other securely. GitGuardian helps secure that credential layer through three connected capabilities: Detect, Remediate, and Prevent. The journey starts with detection, because organizations first need to understand what credentials exist, where they live, and what they

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

CVE-2026-61500 allows attackers to recover the session-cookie signing key and gain administrative access and RCE. The post Exploitation Hits Rejetto HFS Vulnerability Discovered by AI  appeared first on SecurityWeek.

More than 730 cyber breaches affected over 270 million Americans last year, costing an average of $10 million per breach. The post Senate Passes Bipartisan Bill to Strengthen Healthcare Cybersecurity appeared first on SecurityWeek.

Apple has announced that it's taking steps to tighten controls around a macOS setting called Full Disk Access (FDA) due to security risks posed by artificial intelligence (AI) agents. "Some developers are using Full Disk Access in ways that could put users at risk, exposing everything on their systems—including files, mail, messages, and even browsing history – without users' full knowledge

OpenAI is expanding ads in ChatGPT, and one of the first new formats will show visual ads while you're generating images. [...]

Microsoft confirmed over the weekend that some games and applications using AC-3 (Dolby Digital) audio decoding will crash after installing the September 2026 KB5124010 Windows 11 preview update. [...]

Google has now suspended submissions to its Open Source Software Vulnerability Rewards Program (OSS VRP) after being flooded by AI-generated reports. [...]

A critical security flaw impacting Rejetto HTTP File Server (HFS) is witnessing active exploitation attempts, according to VulnCheck. The vulnerability in question is CVE-2026-61500 (CVSS score: 9.3), a case of session forgery stemming from the use of a weak pseudo-random number generator (PRNG) that can lead to a predictable key, which an attacker can then use to gain unauthorized access and

Known as Rey, the suspect is reportedly helping the FBI identify and locate other members of the extortion group. The post Alleged ShinyHunters Leader Arrested in Jordan appeared first on SecurityWeek.

Citrix has released security updates for a high-severity security flaw in NetScaler ADC and Citrix NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as CVE-2026-88779, carries a CVSS score of 8.7 out of 10.0. "CVE-2026-88779 is a memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway that can lead to

Citrix has confirmed that a new zero-day vulnerability, CVE-2026-88779, emerged just days after two other exploited flaws were patched. The post Exploitation of Citrix NetScaler Zero-Day Hits Appliances Patched Days Earlier appeared first on SecurityWeek.

Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether it can also be exploited for remote code execution. [...]

The announcement comes after Trump hosted top executives of AI companies at the White House last week. The post Trump Names National Intelligence Director Jay Clayton to Lead a New Federal AI Task Force appeared first on SecurityWeek.