Latest Cybersecurity News and Articles

---

Chinese Hackers Exploit Critical Tencent Software Flaw for One-Click Code Execution

The Chinese-language input method editor for Windows can allow attackers to execute arbitrary code remotely. The post Chinese Hackers Exploit Critical Tencent Software Flaw for One-Click Code Execution appeared first on SecurityWeek.

---

CISOs Race to Control AI Agents Without Destroying Their Value

Security leaders are struggling to modernize cyber hygiene and prevent over-privileged agents from causing unintended harm. The post CISOs Race to Control AI Agents Without Destroying Their Value appeared first on SecurityWeek.

---

Telus Warns Customers of Account Breaches

Stolen credentials were used in a multi-month campaign to access subscriber personal data and billing records. The post Telus Warns Customers of Account Breaches appeared first on SecurityWeek.

---

Three JFrog Artifactory Flaws Exploited for Backdoor Deployment

The vulnerabilities can allow attackers to bypass authentication and elevate their privileges to administrator. The post Three JFrog Artifactory Flaws Exploited for Backdoor Deployment appeared first on SecurityWeek.

---

ConnectWise Patches ScreenConnect Vulnerability Exploited in Worm-Like Attacks

The flaw allows attackers to send files and execute them without authorization through an active remote session. The post ConnectWise Patches ScreenConnect Vulnerability Exploited in Worm-Like Attacks appeared first on SecurityWeek.

---

Malicious Twitch Browser Extension Leaks OAuth Tokens From Nearly 31,000 Users

A malicious cross-store Twitch browser extension has leaked OAuth tokens associated with nearly 31,000 users to proxy servers operated by a Russian commercial bot service. The extension, named "Twitch Enhanced Viewer | JeetBot," lists HISHIMIRO/jeetbot.cc as its developer and has the following identifiers on the Google Chrome Web Store and Mozilla Firefox Add-Ons store - Chrome -

---

Anthropic CEO Dario Amodei Says AI Industry Needs to Give Safety Measures Time to Catch Up

Dario Amodei warned that within six to 12 months AI could be capable of leading a swarm of agents that could take over the entire internet. The post Anthropic CEO Dario Amodei Says AI Industry Needs to Give Safety Measures Time to Catch Up appeared first on SecurityWeek.

---

Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data

Microsoft has disclosed details of two campaigns in which threat actors are abusing third-party email delivery infrastructure to blast financial fraud scam messages and using passkey-themed social engineering to breach cloud environments. The first campaign, per the tech giant, involved sending over a million scam emails between August 3 and 5, 2026, by masquerading as chief executive officers

---

CISA Adds 5 Actively Exploited Artifactory, ScreenConnect, and RouterOS Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added five security flaws impacting JFrog Artifactory, ConnectWise ScreenConnect, and MikroTik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. Details of the vulnerabilities are as follows - CVE-2026-42016 (CVSS score: 8.1) - An incorrect authorization

---

BlueMoon Exploit Kit Chains Recent Chrome, Windows Zero-Days

Multiple espionage-motivated threat actors have adopted BlueMoon in opportunistic, rushed deployments. The post BlueMoon Exploit Kit Chains Recent Chrome, Windows Zero-Days appeared first on SecurityWeek.

---

When the Whole Company Adopts AI: What It Does to Your SOC

Over the past year, we watched a new class of alert appear in enterprise security operations centers and grow faster than anything else in the stream: alerts that were triggered by AI tools and agents. Not attacks against AI, but the ordinary, everyday footprint of an organization using it, from developers running coding agents and non-technical staff signing consumer AI tools into corporate

---

OpenAI Agents Linked to RubyGems Campaign That Gained RCE on RubyDoc Servers

The "major malicious attack" that targeted RubyGems in May 2026 was the work of a swarm of OpenAI agents, according to a new report published by researchers Spencer Kitts, Thomas Larsen, and Sydney Von Arx. On May 12, Maciej Mensfeld, senior product manager for software supply chain security at Mend.io, disclosed details of a coordinated cyber attack that targeted the package manager for the

---

Users in Houthi-Held Yemen Tried to Develop Advanced Weapons With AI, Anthropic Says

Anthropic said the users did not succeed in “fielding an operational device” but did carry out a failed test of a guided rocket. The post Users in Houthi-Held Yemen Tried to Develop Advanced Weapons With AI, Anthropic Says appeared first on SecurityWeek.

---

Phishing Research Challenges Conventional Security Awareness Testing

Analysis of 2.47 million simulated attacks shows why organizations should measure credential leaks and reporting, not just clicks. The post Phishing Research Challenges Conventional Security Awareness Testing appeared first on SecurityWeek.

---

GitLab CVSS 10 File-Read Flaw Draws In-the-Wild Probes After Disclosure

GitLab has released patches to address multiple flaws, including a maximum-severity security vulnerability that has witnessed in-the-wild probes within hours of public disclosure. The vulnerability in question is CVE-2026-85706 (CVSS score: 10.0), a path traversal issue in the repository commits API that could allow an unauthenticated user to read arbitrary files from the GitLab server under

---

Anthropic Says Seven China-Based AI Labs Ran Industrial-Scale Claude Distillation Attacks

Anthropic on Thursday said it identified and disrupted industrial-scale illicit distillation attacks against Claude from seven labs based in China, including Alibaba, Moonshot, DeepSeek, Z.ai (aka Zhipu), and MiniMax. Knowledge distillation by itself is a legitimate training method. It refers to a machine learning technique where a large, powerful AI model assumes the role of a "teacher" to

---

GitLab Vulnerability Exploited One Day After Disclosure

The critical-severity path traversal flaw allows unauthenticated attackers to read arbitrary files from the GitLab server. The post GitLab Vulnerability Exploited One Day After Disclosure appeared first on SecurityWeek.

---

Claude Used to Automate Exploitation and Data Theft Across Multiple Victims

Anthropic has warned that cybercriminals and state-sponsored hackers alike are using its Claude models for cyber attacks, weapons design, propaganda, and mass surveillance between December 2025 and August 2026. The threat actors, which the artificial intelligence (AI) company has branded Generative Threat Groups (GTGs), span state-sponsored groups, financially motivated criminals, commercial

---

In Other News: InjectEave Attack, SIM Swapper Sentenced, Glasswing Findings Review

Noteworthy stories that might have slipped under the radar: Invisible Unicode slips past phishing filters, US puts $10 million bounty on Iranian cyber official, military ties of Chinese hacking group QTFY. The post In Other News: InjectEave Attack, SIM Swapper Sentenced, Glasswing Findings Review appeared first on SecurityWeek.

---

Russian State-Sponsored Hackers Use Claude to Rebuild Malware After Detection

Anthropic on Thursday revealed it disrupted a campaign mounted by a Russian state-sponsored threat actor that abused Claude for developing an AI-assisted workflow to get ahead of the detection curve. The operation has been attributed to a cyber espionage group it calls GTG-20006 (where "GTG" stands for Generative Threat Group), which aligns with broader reporting linking the cluster to Midnight