Latest Cybersecurity News and Articles


101 Malicious npm Packages Add Developers' WhatsApp Accounts to Groups Without Consent

29 September 2026
Cybersecurity researchers have identified a cluster of 101 npm packages that are used to trap developers into a WhatsApp group subscriber campaign dubbed PhantomSub. "The malicious packages abuse the 'Baileys' WhatsApp open source project to add the victims to groups without their consent," OX Security researchers Nir Zadok, Moshe Siman Tov Bustan, and Vitalii Chepurko said in a technical

Reco Raises $55 Million for Agentic Security

29 September 2026
The company will use the funds to expand its sales, partnerships, channels, and customer support teams. The post Reco Raises $55 Million for Agentic Security appeared first on SecurityWeek.

Hackers Use ChatGPT Custom GPTs in ClickFix Attacks

29 September 2026
The personalized versions of ChatGPT were used to impersonate legitimate products and trick users into executing PowerShell commands. The post Hackers Use ChatGPT Custom GPTs in ClickFix Attacks appeared first on SecurityWeek.

Pentagon Personnel Agency Data Breach Impacts 3 Million People

29 September 2026
The data breach affects the Defense Manpower Data Center (DMDC), which maintains personnel records for the Department of Defense. The post Pentagon Personnel Agency Data Breach Impacts 3 Million People appeared first on SecurityWeek.

Rig Security Emerges From Stealth With $12M to Tackle Agentic AI Identity Risks

29 September 2026
Rig provides an identity dependencies graph to distinguish between legitimate users and rogue AI agents The post Rig Security Emerges From Stealth With $12M to Tackle Agentic AI Identity Risks appeared first on SecurityWeek.

Four Cyber Threats Harboring Big Plans for the Future

29 September 2026
- AI, supply-chain exposure, quantum computing and geopolitical conflict are testing security programs. Preparing for disruption must become part of day-to-day operations. The post Four Cyber Threats Harboring Big Plans for the Future appeared first on SecurityWeek.

OpenAI Calls Off GPT-6.1 Astra Launch, Details Safety Cases for Frontier Training

29 September 2026
The GPT-6.1 Astra model was slated to debut in ChatGPT and Codex in October, but it fell short of expectations.  The post OpenAI Calls Off GPT-6.1 Astra Launch, Details Safety Cases for Frontier Training appeared first on SecurityWeek.

Dutch Police Arrest Convicted Hacker in ShinyHunters Investigation

29 September 2026
Pepijn van der Stap was convicted in 2023 for hacking multiple organizations, stealing their data, and extorting them. The post Dutch Police Arrest Convicted Hacker in ShinyHunters Investigation appeared first on SecurityWeek.

Daemon Tools Hackers’ NeedyMantis Malware Dissected by Microsoft

29 September 2026
The malware framework uses a modular architecture and a custom executable file format for long-term persistence. The post Daemon Tools Hackers’ NeedyMantis Malware Dissected by Microsoft appeared first on SecurityWeek.

Dutch Police Arrest 24-Year-Old Amsterdam Man in ShinyHunters Investigation

29 September 2026
Dutch authorities have confirmed that they arrested a 24-year-old man from Amsterdam in connection with the ShinyHunters group. "It is true that this month a 24-year-old man from Amsterdam was arrested in an investigation into the hacker group ShinyHunters," the Politie Landelijke Opsporing en Interventies said in an X post Monday. Police said the individual is expected to appear before the

Apple Patches Meta-Reported Zero-Day Linked to ‘Extremely Sophisticated Attack’ 

29 September 2026
Apple has released iOS and macOS updates to patch the zero-day vulnerability tracked as CVE-2026-86950. The post Apple Patches Meta-Reported Zero-Day Linked to ‘Extremely Sophisticated Attack’  appeared first on SecurityWeek.

Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials

29 September 2026
A malicious MCP server could trick an application built on the official MCP Python SDK into handing over the OAuth credentials it uses to log in to a real service, the SDK's maintainers said in a security advisory. Affected versions sent the client secret, the authorization code, and the PKCE proof key to a token endpoint the attacker controlled. The fix is in versions 1.30.0 and

OpenAI Shelves GPT-6.1 Astra After Tests Find Deception and Unauthorized Actions

29 September 2026
OpenAI on Monday shelved plans to release GPT-6.1 Astra, a next-generation artificial intelligence (AI) model that was planned for an October launch, after it failed internal safety and alignment audits. The development was first reported by The Wall Street Journal. The move "marks a rare case of a major AI developer ditching a new release because of safety concerns," the news publication said.

As AI models go rogue, do you still trust OpenAI and Anthropic to stop them? I don’t and neither should you | Chris Stokel-Walker

29 September 2026
As AI models go rogue, do you still trust OpenAI and Anthropic to stop them? I don’t and neither should you | Chris Stokel-Walker The need for independent regulation grows more obvious by the day. We must keep this tech in check before it’s too lateOpenAI scraps release of new model over safety concerns in internal testingFool me once, shame on you. Fool me twice, shame on me. Fool me more than 16,000 times – as OpenAI agents did to a UN public data hub while repeatedly trying to find its way around the UN’s cyber-blocks – and perhaps it’s time to admit the system we have for keeping AI agents under control isn’t working particularly well.The news about AI systems cropping up in places they shouldn’t sounds alarming. Though the description of these as “hacks” is perhaps overstating things, AI has exploited issues in IT systems that humans simply haven’t got around to finding. It’s also important to note that we shouldn’t be worried that the machines have suddenly become sentient and decided to rebel against humanity. There is not enough evidence to suggest that’s what is happening. The systems are simply following instructions and trying to complete the tasks they have been given, even if they’re sometimes finding unintended ways around obstacles to do so.Chris Stokel-Walker is the author of TikTok Boom: The Inside Story of the World’s Favourite App Continue reading...

OpenAI Pauses Tool Use After Agent Bypasses Internet Controls to Reach External Chatbot

29 September 2026
OpenAI said it has made the decision to pause training of its most powerful models after one of its agents during reinforcement learning (RL) training contacted an external chatbot by exploiting a loophole in its internet-access restrictions. "An agent attempting to complete a search-based training task queried a public chatbot service through a gap in our internet-access restrictions:

Apple Patches CoreGraphics Flaw Possibly Exploited in Targeted Attacks

28 September 2026
Apple has released security updates to address a vulnerability in older versions of iOS, iPadOS, and macOS that it said may have been exploited in targeted attacks. The vulnerability, tracked as CVE-2026-86950, refers to an out-of-bounds write impacting the CoreGraphics component that could lead to arbitrary code execution when processing a maliciously crafted file. The iPhone maker said the

Hackers Use NeedyMantis to Maintain Long-Term Access in Breached Networks

28 September 2026
Hackers have used a malware family called NeedyMantis to maintain long-term access to networks they had already breached, Microsoft said in a technical analysis. The malware has been seen in a small number of targeted intrusions at telecommunications organizations, universities, medical nonprofits, intergovernmental organizations, and government contractors. Its use goes back to at least

IAM for AI agents: A Practical Enterprise Framework

28 September 2026
What is IAM for AI agents? AI agents authenticate, invoke tools, and act across enterprise systems with delegated authority. IAM for AI Agents is the identity-control architecture that governs those actors. This guide covers the limits of conventional provisioning, the components that matter, how to evaluate framework choices, and what runtime evidence proves an agent behaved as intended.

Bitget Says Attacker Exploited Third-Party Security Product Flaw to Steal $388M

28 September 2026
The attacker who stole about $388 million from the cryptocurrency exchange Bitget gained access through a vulnerability in a third-party security product the exchange used, Bitget said on Monday. The attacker exploited the flaw to obtain high-level internal credentials and then, on September 24, used them to send fraudulent withdrawal commands to Bitget's wallet system. Exchanges keep most

RatHat Android Malware Console Uses Gemini to Identify Higher-Value Victims

28 September 2026
RatHat's operators build and publish the Android banking trojan and control infected phones from a web console, according to security company Cleafy. Cleafy has traced nearly 100 deployments of that console since April 2026. It said this fits a malware-as-a-service model, in which each customer runs a separate copy. The console stores what the malware collects from each phone,