Tagged articles

data exfiltration

7 articles · Page 1 of 1
IT Services Circle
IT Services Circle
Aug 8, 2026 · Information Security

Embedding an Entire Website Inside a Favicon: What the Experiment Reveals

The author demonstrates that a favicon—an 8×8‑pixel PNG image—can store a complete 166‑byte HTML page by encoding each byte into the RGB channels of individual pixels, then analyzes how this steganographic technique can bypass file‑type checks, evade CSP img‑src restrictions, and serve as a covert data channel, while noting its limited practical value for legitimate web publishing.

CSPHTML injectiondata exfiltration
0 likes · 14 min read
Embedding an Entire Website Inside a Favicon: What the Experiment Reveals
Black & White Path
Black & White Path
Jul 14, 2026 · Information Security

How Grok Build Turns Your Code into a Data Vacuum

Security researchers discovered that xAI's Grok Build CLI silently uploads an entire Git repository—including .env files, API keys, and full commit history—to a Google Cloud bucket, sending about 5.1 GB of data when only 192 KB is needed, exposing severe privacy and design flaws.

AI coding toolGoogle CloudGrok Build
0 likes · 14 min read
How Grok Build Turns Your Code into a Data Vacuum
IT Services Circle
IT Services Circle
Jan 22, 2026 · Information Security

How Malicious Browser Extensions Turned 8.8M Users into Data Spies

A recent security investigation reveals that over 300 seemingly harmless browser extensions were covertly hijacked by the DarkSpectre campaign, silently collecting browsing history, meeting data, and other personal information from more than 8.8 million users across Chrome, Edge, and Firefox for up to seven years.

browser extensionsdata exfiltrationinformation security
0 likes · 9 min read
How Malicious Browser Extensions Turned 8.8M Users into Data Spies
Liangxu Linux
Liangxu Linux
May 8, 2020 · Information Security

How Hackers Can Leak Data from Air‑Gapped PCs Using Fan Vibrations

Researchers demonstrate that even computers isolated from networks can exfiltrate secret data by modulating fan speed to create vibrations that a nearby smartphone’s accelerometer can capture and decode, revealing a new low‑bandwidth side‑channel attack called AiR‑ViBeR.

air-gapdata exfiltrationfan vibration
0 likes · 8 min read
How Hackers Can Leak Data from Air‑Gapped PCs Using Fan Vibrations