AI Security — Page 17

A Microsoft Word document open on screen with hidden text elements being revealed, showing malicious prompt instructions embedded within the document structure
AI Security

Hidden Prompts in Word Files Can Hijack Microsoft 365 Copilot, Researcher Warns

A proof of concept shows Copilot copying attacker instructions into finished documents, then spreading them to the next draft.

4 min read
A corporate control center with large monitoring screens tracking AI agent activities in real-time, showing audit logs and behavioral analytics of autonomous sy
AI Security

Onyx Security Raises $113 Million to Watch Over AI Agents Inside Companies

A two-year-old Israeli startup has closed a major funding round to build tools that track and control what AI agents do inside corporate systems, as regulators worldwide start asking harder questions about AI accountability.

4 min read
A school's official website photo gallery on a computer screen, showing student and staff photos being extracted, with AI deepfake generation tools working in t
AI Security

Schools Are Handing Deepfake Criminals a Photo Album

Australia's eSafety regulator is warning schools to stop posting student and teacher photos online after a surge in AI-generated deepfakes built from official school feeds.

4 min read
A courtroom evidence display showing printed ChatGPT conversation logs and message transcripts laid out as prosecution evidence on a table, with legal documents
AI Security

ChatGPT Conversation Logs to Feature as Key Evidence in Perth Baby Murder Trial

A Western Australian woman accused of killing her eight-month-old daughter is seeking a judge-only trial, with court told that a large volume of ChatGPT chat records will form a central part of the prosecution's case.

3 min read
A server farm corridor with racks of hardware showing overloaded indicator lights blinking in sequence, representing system strain from excessive traffic
AI Security

Claude Goes Down Globally as Anthropic Blames Server Overload

Users hit '529 Overloaded' errors on July 29 as Anthropic confirms elevated failures across its AI models and API.

3 min read
A robot arm with a shield attempting to block incoming attacks, but visibly struggling and dropping defensive tools as simulated threats overwhelm it
AI Security

AI Security Bots Are Great at Hacking. Terrible at Defence. Researchers Are Trying to Fix That.

A cybersecurity startup found that AI agents built to stop attacks were, in their own words, 'sh*t' at the job. Here is why that gap exists, and what they are doing about it.

4 min read
An AI platform interface with a visible security patch being applied, but corrupted data patterns lingering in the background system memory
AI Security

The 'RufRoot' Flaw: Why Patching Alone Won't Fix This AI Security Hole

A perfect-severity bug in the Ruflo AI platform let anyone walk in without a password, steal credentials, and quietly poison the system's memory. The poisoning can linger even after the patch is applied.

4 min read
An open-source code repository directory with a login prompt completely bypassed, revealing full command execution terminal access underneath
AI Security

Critical Flaw in Ruflo AI Harness Lets Anyone Run Commands on Your Server

A maximum-severity bug in the open-source Ruflo tool, used with Claude Code and Codex, scores a perfect 10.0 and requires no login to exploit.

3 min read
A modern cybersecurity operations center being replaced by an AI platform interface displaying network traffic patterns learning and adapting after each detecte
AI Security

Mate Security Pulls In $35 Million to Build an AI-Powered Cyber Defence System That Learns on the Job

The Tel Aviv startup wants to replace traditional security operations centres with an AI platform that studies each company's own network and gets smarter after every attack it handles.

3 min read
A security operations center with multiple displays showing AI agent activities, decision logs, and autonomous actions taking place without human authorization
AI Security

Your Security Team Is Flying Blind on AI. Here Is Why.

The tools built to catch hackers and bad code were designed for a world where humans made every decision. AI agents don't ask permission, and your defences weren't built to watch them.

4 min read
A research lab workspace with multiple monitors displaying abstract neural network visualizations and data flows in real-time, with a researcher's hand pointing
AI Security

Researchers Want to Read an AI's Mind Before It Does Something Dangerous

A university team is building tools to watch what happens inside an AI model as it thinks, not just what it says. The goal: catch harmful requests that slip past every other filter.

4 min read
A mathematician's workspace with papers covered in cryptographic equations scattered across a desk, a laptop screen glowing with broken encryption algorithms, p
AI Security

Anthropic's Claude Cracks a Post-Quantum Signature Scheme in Under Four Hours

The AI model also sped up a known attack on a reduced version of AES-128 by up to 800 times, raising fresh questions about machine-assisted cryptanalysis.

3 min read
A cybersecurity testing facility with a technician monitoring a large wall display showing a virtual replica of an industrial network under simulated attack, wi
AI Security

Frenos Raises $1.52 Million More to Test Factory and Power-Grid Security Without Touching the Real Thing

The startup runs fake cyberattacks inside a virtual copy of your industrial network, so it can find the dangerous paths before real criminals do.

4 min read
A web browser window showing a compromised AI-powered agent browser environment with a malicious social media post visible, while in the background a security t
AI Security

Every AI Browser on the Market Can Be Hacked, Researchers Warn

Security firm Zenity says agentic browsers have stripped out decades-old web protections to work across multiple sites, and every product tested could be taken over by a malicious social-media post or newsletter link.

5 min read
A startup office with a large wall-mounted vulnerability management dashboard showing the time gap between discovery and active exploitation being measured and
AI Security

Act Security Aims to Tackle Cloud Vulnerability Challenges with $60 Million in Funding

Act Security steps out of stealth to shrink the window between vulnerability discovery and exploitation, backed by $60 million and a team that's done this before.

3 min read
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