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The Register
Missing DMARC or wobbly SPF means your mail may be treated as suspicious
The Hacker News
Everyone running LNbits, a free, open-source Bitcoin Lightning wallet system, should shut down their servers now because of a wave of attacks, the project said yesterday. It has several security fixes to release and asked operators to be careful until they are out. One operator said new accounts used an exploit to withdraw 2,285,545 satoshis, about 0.023 bitcoin, from his server before he could
The Hacker News
Blockchain analysis firm Chainalysis has revealed that its ongoing investigation into the agentic cyber attack targeting its systems also exposed names, usernames, password hashes and live tokens for all users. "While we investigated, we removed access to Reactor and Data Solutions," the company said. "At this time we continue to have no evidence that any investigations data has been accessed
The Hacker News
Cybersecurity researchers have disclosed details of a now-patched vulnerability that could be exploited to bypass Lockdown Mode protections in OpenAI ChatGPT. Lockdown Mode was introduced by the artificial intelligence (AI) company in June 2026 as an optional setting to minimize data exfiltration risks arising from prompt injections. "The flaw could enable silent chat data theft, phishing,
Check Point Research
Research by: Alexey Bukhteyev Key Takeaways Introduction Earlier this year, Check Point Research disclosed a security flaw in ChatGPT’s code-execution runtime that allowed sensitive conversation data to be silently exfiltrated to an attacker-controlled server through DNS tunneling, a hidden outbound channel that bypassed the runtime’s network isolation. A fix for this issue was promptly deployed. […] The post appeared first on . ChatGPT Lockdown Mode Bypass: Phishing, Malware Delivery, and Silent Data Exfiltration Check Point Research
Bleeping Computer
European law enforcement authorities arrested seven suspects and seized more than 100 servers in a joint action targeting an unnamed company suspected of providing fraudulent trading websites to criminal gangs. [...]
Dark Reading
A recent law enforcement operation to dismantle harmful scam centers was a big success. A threat intelligence expert walks us through what happened and why he wants more of the same.
The Hacker News
A chain of logic flaws, with no memory corruption, can turn a malicious web page into code running on a Windows computer outside Microsoft Edge's sandbox, a security researcher has shown. Orange Tsai of DEVCORE published the full method on October 28, five months after the chain won $175,000 at the Pwn2Own Berlin contest in May. Microsoft fixed the Edge bugs the day after the contest,
Bleeping Computer
The GMO Group has urged customers to disconnect their systems from the internet and shut down computers after a threat actor who breached the company's Onamae Desktop Cloud threatened to launch a ransomware attack today. [...]
Dark Reading
A new AI agent prompt injection technique exploits how coding assistants consume local instruction files, blurring the line between text documents and executable actions.