
Krebs

Poor Passwords Tattle on AI Hiring Bot Maker Paradox.ai – Krebs on Security
Security researchers recently revealed that the personal information of millions of people who applied for jobs at McDonald’s was exposed after they guessed the password (“123456”) for the fast food chain’s account at Paradox.ai, a company that makes artificial intelligence based hiring chatbots used by many Fortune 500 firms. Paradox.ai said the security oversight was…

Senator Chides FBI for Weak Advice on Mobile Security – Krebs on Security
Agents with the Federal Bureau of Investigation (FBI) briefed Capitol Hill staff recently on hardening the security of their mobile devices, after a contacts list stolen from the personal phone of the White House Chief of Staff Susie Wiles was reportedly used to fuel a series of text messages and phone calls impersonating her to…

Big Tech’s Mixed Response to U.S. Treasury Sanctions – Krebs on Security
In May 2025, the U.S. government sanctioned a Chinese national for operating a cloud provider linked to the majority of virtual currency investment scam websites reported to the FBI. But a new report finds the accused continues to operate a slew of established accounts at American tech companies — including Facebook, Github, PayPal and Twitter/X….

Inside a Dark Adtech Empire Fed by Fake CAPTCHAs – Krebs on Security
Late last year, security researchers made a startling discovery: Kremlin-backed disinformation campaigns were bypassing moderation on social media platforms by leveraging the same malicious advertising technology that powers a sprawling ecosystem of online hucksters and website hackers. A new report on the fallout from that investigation finds this dark ad tech industry is far more…

Proxy Services Feast on Ukraine’s IP Address Exodus – Krebs on Security
Image: Mark Rademaker, via Shutterstock. Ukraine has seen nearly one-fifth of its Internet space come under Russian control or sold to Internet address brokers since February 2022, a new study finds. The analysis indicates large chunks of Ukrainian Internet address space are now in the hands of shadowy proxy and anonymity services that are nested…

U.S. Sanctions Cloud Provider ‘Funnull’ as Top Source of ‘Pig Butchering’ Scams – Krebs on Security
Image: Shutterstock, ArtHead. The U.S. government today imposed economic sanctions on Funnull Technology Inc., a Philippines-based company that provides computer infrastructure for hundreds of thousands of websites involved in virtual currency investment scams known as “pig butchering.” In January 2025, KrebsOnSecurity detailed how Funnull was being used as a content delivery network that catered to…

KrebsOnSecurity Hit With Near-Record 6.3 Tbps DDoS – Krebs on Security
KrebsOnSecurity last week was hit by a near record distributed denial-of-service (DDoS) attack that clocked in at more than 6.3 terabits of data per second (a terabit is one trillion bits of data). The brief attack appears to have been a test run for a massive new Internet of Things (IoT) botnet capable of launching…

Pakistani Firm Shipped Fentanyl Analogs, Scams to US – Krebs on Security
A Texas firm recently charged with conspiring to distribute synthetic opioids in the United States is at the center of a vast network of companies in the U.S. and Pakistan whose employees are accused of using online ads to scam westerners seeking help with trademarks, book writing, mobile app development and logo designs, a new…

Trump Revenge Tour Targets Cyber Leaders, Elections – Krebs on Security
President Trump last week revoked security clearances for Chris Krebs, the former director of the Cybersecurity and Infrastructure Security Agency (CISA) who was fired by Trump after declaring the 2020 election the most secure in U.S. history. The White House memo, which also suspended clearances for other security professionals at Krebs’s employer SentinelOne, comes as…

DOGE Worker’s Code Supports NLRB Whistleblower – Krebs on Security
A whistleblower at the National Labor Relations Board (NLRB) alleged last week that denizens of Elon Musk’s Department of Government Efficiency (DOGE) siphoned gigabytes of data from the agency’s sensitive case files in early March. The whistleblower said accounts created for DOGE at the NLRB downloaded three code repositories from GitHub. Further investigation into one…