PC World

Fileless Powershell malware uses DNS as covert communication channel

Targeted attacks are moving away from traditional malware to stealthier techniques that involve abusing standard system tools and protocols, some of which are not always monitored. The latest example ...
Bleeping Computer

CASPER attack steals data using air-gapped computer's internal speaker

Researchers at the School of Cyber Security at Korea University, Seoul, have presented a new covert channel attack named CASPER can leak data from air-gapped computers to a nearby smartphone at a rate ...
Hackaday

covert channel

[Ryan Flowers] writes in with a clever little hack that can allow you to hide data where nobody is going to go looking for it. By exploiting the fact that a web server will generally log all HTTP ...
Bleeping Computer

Router Network Isolation Broken By Covert Data Exfiltration

Software-based network isolation provided by routers is not as efficient as believed, as hackers can smuggle data between the networks for exfiltration. Most modern routers offer the possibility to ...
Dark Reading

Researchers Create Covert Channel Over Apple AirTag Network

The peer-to-peer network used by AirTags, Apple's just-released tracking and location devices, could be used by anyone to send small amounts of data, essentially creating a covert channel not limited ...
Computerworld

Fileless PowerShell malware uses DNS as covert channel

Targeted attacks are moving away from traditional malware to stealthier techniques that involve abusing standard system tools and protocols, some of which are not always monitored. The latest example ...