Graham Cluley's Blog

December 13, 2025

"Gartner tells businesses to block AI browsers now."

Views expressed in this cybersecurity, cyber crime update are those of the reporters and correspondents. Accessed on 13 December 2025, 2142 UTC.

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Russ Roberts (https://www.hawaiicybersecurityjournal.net).

Yesterday

Gartner tells businesses to block AI browsers now

Analyst firm Gartner has issued a blunt warning to organizations: Agentic AI browsers introduce serious new security risks and should be blocked "for the foreseeable future." Read more in my article on the .

Dec 10, 2025

Smashing Security podcast #447: Grok the stalker, the Louvre heist, and Microsoft 365 mayhem

On this week's show we learn that AI really can be a stalker’s best friend, as we explore a strange tale that starts with a manatee-shaped mailbox on a millionaire's lawn and ends with Grok happily doxxing real people, mapping out stalking "strategies," and handing out revenge-porn tips. Then we go inside the Louvre heist, where thieves in hi-vis and a hire van waltzed off with the French crown je

Ransomware may have extorted over $2.1 billion between 2022-2024, but it’s not all bad news, claims FinCEN report

FinCEN reports 21B$ ransomware payments

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A new report from the United States's Financial Crimes Enforcement Network (FinCEN) has shone a revealing light on the state of the criminal industry of ransomware. The report, which examines ransomware incidents from 2022 to 2024, reveals that attackers extorted more than $2.1 billion over the three-year period. Yes, that number is enormous - but it hides a more interesting story beneath it: that

Four years later, Irish health service offers €750 to victims of ransomware attack

HSE offers €750 to cyberattack victims

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Remember when a notorious ransomware gang hit the Irish Health Service back in May 2021? Four years on, and it seems victims who had their data exposed will finally receive compensation. Read more in my article on the .

Dec 9, 2025

California man admits role in $263 million cryptocurrency theft that funded lavish lifestyle

Evan Tangeman pleads guilty to laundering

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When you spend half a million dollars in a single night at a nightclub, purchase exotic cars worth millions, and rent mansions under false names, you are risking drawing attention to yourself... Read more in my article on the Hot for Security blog.

The AI Fix #80: DeepSeek’s cheap GPT-5 rival, Antigravity fails, and your LLM likes it when you’re rude

In episode 80 of The AI Fix, your hosts look at DeepSeek 3.2 “Speciale”, the bargain-basement model that claims GPT-5-level brains at 10% of the price, ’s reassuring vision of a robot fashion industry, and a 75kg T-800 style humanoid that can do flying kicks because robot-marketing departments have clearly learned nothing from Terminator. Meanwhile in Miami, flesh-coloured robot dogs w

Privacy concerns raised as Grok AI found to be a stalker’s best friend

Grok chatbot doxxes personal addresses

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Grok, the AI chatbot developed by Elon Musk's , has been found to exhibit more alarming behaviour - this time revealing the home addresses of ordinary people upon request. Read more in my article on the Hot for Security blog.

Dec 4, 2025

Why the record-breaking 30 Tbps DDoS attack should concern every business

Aisuru botnet sets DDoS record

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A new warning about the threat posed by Distributed Denial of Service (DDoS) attacks should make you sit up and listen. Read more in my article on the Fortra blog.

Dec 3, 2025

Smashing Security podcast #446: A hacker doxxes himself, and social engineering-as-a-service

A teenage cybercriminal posts a smug screenshot to mock a sextortion scammer... and accidentally hands over the keys to his real-world identity. Meanwhile, we look into the crystal ball for 2026 and consider how stolen data is now the jet fuel of cybercrime – and how next year could be even nastier than 2025. Plus, Graham rants about recipe sites that won’t shut up, and there's even more love for

FBI warns of surge in account takeover (ATO) fraud schemes – what you need to know

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The FBI has recently issued a public service announcement that warns that since January 2025 there have been more than 5,100 complaints of account takeover fraud, and total reported losses in excess of US $262 million. Read more in my article on the Fortra blog.

Dec 2, 2025

The AI Fix #79: Gemini 3, poetry jailbreaks, and do we even need safe robots?

10d

In episode 79 of The AI Fix, Gemini 3 roasts the competition, scares Nvidia, and can’t remember what year it is. Meanwhile, Graham investigates a fight between a fridge and robot, and Mark discovers that poetry could be a universal jailbreak for LLMs. Also in this episode, our hosts ponder whether Mark Zuckerberg’s underground bunker will be keeping robots in or out, Olaf the snowman walks and tal

Asahi cyber attack spirals into massive data breach impacting almost 2 million people

4 TTPs

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Asahi faces ransomware data breach

Asahi Group Holdings, the makers of the popular Japanese beer , has confirmed that the ransomware attack that disrupted its operations in late September also saw a significant data breach that affects more than 1.5 million customers and approximately 275,000 current and former employees and their families. Read more in my article on the Hot for Security blog.

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