The critical, three-stage attack is now patched, but it's part of a new group of AI prompt-injection issues that use hidden URLs and other variables.

WordPress plugins OptinMonster, TrustPulse, and PushEngage have been compromised in a supply-chain attack impacting Awesome Motive-s content distribution network (CDN). [...]

Cisco has released security updates to address a vulnerability in the Catalyst SD-WAN Manager, tracked as CVE-2026-20262, that was exploited in attacks to escalate to root privileges. [...]

Google discovered and disrupted the sprawling campaign, which stole RedCAP credentials to target numerous institutions and exfiltrate sensitive data.

Executive leaders may not be saying it aloud, but business objectives and priorities don't always promote timely disclosures.

A default low-privilege account on a LiteLLM proxy can climb to full admin and run code on the server by chaining three vulnerabilities, researchers at Obsidian Security disclosed LiteLLM is a widely deployed open-source AI gateway that brokers calls to more than 100 model providers behind one OpenAI-compatible interface. A server takeover exposes every provider key it holds, the secrets that

The Council of Europe, the continent's oldest intergovernmental body, is probing claims of a data breach made by the ShinyHunters extortion group over the weekend. [...]

The U.S. Federal Bureau of Investigation (FBI) warned that criminals are using couriers to collect money from victims of cryptocurrency investment scams, also known as pig butchering or romance baiting. [...]

Mackay Sugar was targeted in a cyberattack carried out by a threat group known as The Gentlemen. The post Ransomware Attack Shuts Down Mills of Australia’s Second-Largest Sugar Producer appeared first on SecurityWeek.

A single click on a trusted Microsoft link could have let an attacker pull emails, calendar details, and indexed files out of Microsoft 365 Copilot Enterprise Search. Researchers at Varonis Threat Labs chained three bugs into a one-click exfiltration path they call SearchLeak. Because the link pointed to a real microsoft.com domain, traditional anti-phishing and URL filtering tools were

AI-native operating systems are shifting the responsibility to stay vigilant against social engineering cyberattacks from the user onto the system itself.

Google’s Threat Intelligence Group has been tracking the cyberespionage group as UNC6508 since early 2025. The post Chinese Hackers Target Medical, Military, and AI Research in North America appeared first on SecurityWeek.

Employees are increasingly building automations, agents, and apps with AI tools outside traditional security oversight. Tines explores how CISOs are handling AI-driven code sprawl, shadow tooling, and governance challenges. [...]

A China-linked espionage campaign targeted exposed REDCap servers to deploy the InfiniteRed malware and steal sensitive data from a medical institution in North America. [...]

Stuff broke again. Not in a movie way. An old tool was left exposed. An abandoned package was abused. A deprecated feature was still running in prod. This week is the same lesson in a new form: phishing kits are easier to rent, AI names are useful bait, old login paths still fail, and forgotten software keeps becoming someone else's entry point. Scroll through the full Monday Cybersecurity

The startup has built a security-first identity platform to protect humans, machines, and AI agents. The post NewCore Emerges From Stealth Mode With $66 Million in Funding appeared first on SecurityWeek.

A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise could allow attackers to steal sensitive data from a target's mailbox, OneDrive, or SharePoint account through a specially crafted URL. [...]

The ShinyHunters extortion gang stole personal information from more than 137,000 school staff accounts in a Salesforce data theft attack that targeted the widely used Infinite Campus K-12 student information system in March. [...]

Anthropic abruptly suspended all access to Fable 5 and Mythos 5 after receiving an export control directive that banned foreign nationals from using the AI models.

Modern phishing, BEC, and account takeover attacks increasingly bypass traditional email defenses and create operational strain for security teams. This webinar explores how behavioral AI can help automate detection, investigation, and remediation to reduce alert fatigue and accelerate response times. [...]

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-20262 Cisco Catalyst SD-WAN Manager Directory or Path Traversal Vulnerability CVE-2026-54420 LiteSpeed cPanel Plugin UNIX Symbolic Link (Symlink) Following Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise.  Binding Operational Directive (BOD) 26-04:

Oleksii Oleksiyovych Lytvynenko admitted to working on the development of a loader for the Conti gang. The post Ukrainian Man Pleads Guilty in US to Conti Ransomware Charges appeared first on SecurityWeek.

Employee onboarding is a busy time for IT teams. New starters need devices, accounts, access permissions, and passwords, all delivered within a tight timeframe. That usually means sharing a temporary "first-day" password so employees can access systems for the first time. The issue is that these passwords don't always stay temporary. They may be sent over email or SMS, reused across accounts,

The pharmaceutical giant says the attackers gained access to personal data stored on the compromised systems.  The post Ozempic Maker Novo Nordisk Says Hackers Breached IT Systems appeared first on SecurityWeek.

French officials say roughly 73,000 government accounts were affected, while the threat actor claims to have stolen messages and user data from the sovereign Tchap platform. The post French Government Messaging Platform Breached by Mysterious ‘Misere’ Hacker appeared first on SecurityWeek.

Cybersecurity researchers have discovered a network of 152 Google Chrome extensions that act as new tab live wallpaper add-ons to distribute a potentially unwanted program (PUP) family. The cluster spans 38 separate Chrome Web Store publisher accounts and three brand backends: tabplugins[.]com, yowgames[.]com, and chromewallpaper[.]com. They have been collectively installed 105,000 times. The

The extortion group threatens to leak 297 GB of data allegedly stolen from the Council of Europe, including employee personal information. The post ShinyHunters Claims Council of Europe Hack appeared first on SecurityWeek.

An attacker tampered with trusted JavaScript files used by WordPress sites running PushEngage, OptinMonster, and TrustPulse, turning those files into a way to break into the sites. When a site administrator was logged in as the file loaded, the code created an admin account under the attacker's control and installed a hidden plugin that opened a way back in. Ordinary visitors did not trigger it

The platform used more than 9,000 phishing sites, stealing nearly 4 million credit cards and causing roughly $1.9 billion in losses. The post FBI, Google Dismantle ‘Outsider Enterprise’ Phishing Service appeared first on SecurityWeek.

Someone posted fake VRChat and Discord data breach reports on the system, prompting the Maine AG to take action. The post Maine Disables Data Breach Portal Due to Fake Submissions  appeared first on SecurityWeek.