Sophos Naked Security

Suspect is alleged to have extorted more than 1000 people, mostly in India, US, Ukraine, UK, Germany, France, Italy and Russia.

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Three people have been fingered for the recent Twitter hack in which 45 high-profle accounts were taken over.

US travel company CWT has reportedly coughed up $4.5m to ransomware crooks who stole data and scrambled files.

We explain the "BootHole" vulnerability - as usual, in plain English and without hype. Find if you're affected and what to do.

We know it's an old drum, but we're not tired of beating it yet: 2FA is your friend.

It's a Blue Moon month for Firefox - the second full update in July!

Ransomware crooks keep adjusting their approach to make their demands more compelling, even against companies that say they'd never pay up.

Our most recent articles and videos, all in one place.

Responsible disclosure means the bugs are already fixed - but don't forget to check that you applied the patch.

If a crook is already inside your email, occasionally adding in believable emails of their own... how on earth do you spot the fake ones?

Just how private is your Virtual Private Network?

Catch up on the past week's stories, and watch our latest Naked Security Live video.

None of Apple's bugs have nicknames like Microsoft's recent "SIGRed" - but there are nevertheless kernel-level code holes to be patched...

Twitter is investigating a rash of fraudulent tweets from prominent accounts - don't fall for these scams!

The bug can definitely crash your Windows DNS servers, and it could end up being used for much worse than that. Please patch now!

O, what tangled code we weave, when first we practise to deceive!

The good news is that this was a bureaucratic necessity rather than an actual cybersecurity attack.

Get yourself up to date with everything we've written in the last seven days - it's weekly roundup time.