Recently uncovered software flaw ‘most critical vulnerability of the last decade’

Log4Shell grants easy access to internal networks, making them susceptible to data loot and loss and malware attacks

A critical vulnerability in a widely used software tool - one quickly exploited in the online game Minecraft - is rapidly emerging as a major threat to organizations around the world.

The internet's on fire right now," said Adam Meyers, senior vice-president of intelligence at the cybersecurity firm Crowdstrike. People are scrambling to patch", he said, and all kinds of people scrambling to exploit it." He said on Friday morning that in the 12 hours since the bug's existence was disclosed, it had been fully weaponized", meaning malefactors had developed and distributed tools to exploit it.