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Sunday, October 24, 2021
Researchers demonstrate that malware can be hidden inside AI models

Researchers demonstrate that malware can be hidden inside AI models

Enlarge / This photo has a job application for Boston University hidden within it. The technique introduced by Wang, Liu, and Cui could hide data inside an image classifier rather than just an image. Researchers Zhi Wang, Chaoge Liu, and Xiang Cui published a paper last Monday demonstrating a new technique for slipping malware past automated…
Up to 1,500 businesses infected in one of the worst ransomware attacks ever

Up to 1,500 businesses infected in one of the worst ransomware...

As many as 1,500 businesses around the world have been infected by highly destructive malware that first struck software maker Kaseya. In one of the worst ransom attacks ever, the malware, in turn, used that access to fell Kaseya’s customers. The attack struck on Friday afternoon in the lead-up to the three-day Independence Day holiday…
Apps with 5.8 million Google Play downloads stole users’ Facebook passwords

Apps with 5.8 million Google Play downloads stole users’ Facebook passwords

Mateusz Slodkowski/SOPA Images/LightRocket via Getty Images Google has given the boot to nine Android apps downloaded more than 5.8 million times from the company's Play marketplace after researchers said these apps used a sneaky way to steal users' Facebook login credentials. In a bid to win users’ trust and lower their guard, the apps provided fully…
Newly discovered Vigilante malware outs software pirates and blocks them

Newly discovered Vigilante malware outs software pirates and blocks them

A researcher has uncovered one of the more unusual finds in the annals of malware: booby-trapped files that rat out downloaders and try to prevent unauthorized downloading in the future. The files are available on sites frequented by software pirates. Vigilante, as SophosLabs Principal Researcher Andrew Brandt is calling the malware, gets installed when victims…
Mystery malware steals 26M passwords from 3M PCs. Are you affected?

Mystery malware steals 26M passwords from 3M PCs. Are you affected?

Researchers have discovered yet another massive trove of sensitive data, a dizzying 1.2TB database containing login credentials, browser cookies, autofill data, and payment information extracted by malware that has yet to be identified. In all, researchers from NordLocker said on Wednesday, the database contained 26 million login credentials, 1.1 million unique email addresses, more than…
Actively exploited Mac 0-day neutered core OS security defenses

Actively exploited Mac 0-day neutered core OS security defenses

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Getty Images When Apple released the latest version 11.3 for macOS on Monday, it didn't just introduce support for new features and optimizations. More importantly, the company fixed a zero-day vulnerability that hackers were actively exploiting to install malware without triggering core Mac security mechanisms, some that were in place for more than a decade.…
Millions of web surfers are being targeted by a single malvertising group

Millions of web surfers are being targeted by a single malvertising...

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Hackers have compromised more than 120 ad servers over the past year in an ongoing campaign that displays malicious advertisements on tens of millions, if not hundreds of millions, of devices as they visit sites that, by all outward appearances, are benign. Malvertising is the practice of delivering ads to people as they visit trusted…
Windows and Linux devices are under attack by a new cryptomining worm

Windows and Linux devices are under attack by a new cryptomining...

Getty Images A newly discovered cryptomining worm is stepping up its targeting of Windows and Linux devices with a batch of new exploits and capabilities, a researcher said. Research company Juniper started monitoring what it’s calling the Sysrv botnet in December. One of the botnet’s malware components was a worm that spread from one vulnerable…
Malicious cheats for Call of Duty: Warzone are circulating online

Malicious cheats for Call of Duty: Warzone are circulating online

Criminals have been hiding malware inside publicly available software that purports to be a cheat for Activision’s Call of Duty: Warzone, researchers with the game maker warned earlier this week. Cheats are programs that tamper with in-game events or player interactions so that users gain an unfair advantage over their opponents. The software typically works…
Tens of thousands of US organizations hit in ongoing Microsoft Exchange hack

Tens of thousands of US organizations hit in ongoing Microsoft Exchange...

Tens of thousands of US-based organizations are running Microsoft Exchange servers that have been backdoored by threat actors who are stealing administrator passwords and exploiting critical vulnerabilities in the email and calendaring application, it was widely reported. Microsoft issued emergency patches on Tuesday, but they do nothing to disinfect systems that are already compromised. KrebsOnSecurity…

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