Billions of account details sold online: five tips to protect yourself and your data
More than 15 billion stolen usernames and passwords are being sold to criminals on the dark web, new research from cyber security firm Digital Shadows has revealed. The stolen data...
Boots Advantage and Tesco Clubcard both suffer data breaches in same week
Over 620,000 Tesco Clubcard and 150,000 Boots Advantage cardholders' details have been compromised in separate data breaches. Find out what to do if you're affected.
Microsoft email hack: what you need to know
Some people who use email addresses managed by Microsoft have had their inboxes hacked. Find out your rights.
Marriott announces massive data hack
Personal information of up to 500 million guests may have been accessed from the Starwood database - Which? shares what personal information it's believed hackers accessed and explains your rights when there's a data breach.
British Airways reveals 185,000 more passengers could be affected by cyber attack
More British Airways customers have been contacted as part of a cyber attack which accessed passenger's personal data earlier this year. Which? shares how to find out if you're part of the breach and what to do if you’re affected.
BA promises to compensate customers after data breach
British Airways has apologised and pledged compensation after admitting that up to 380,000 of its customers could have had their card details stolen in a data breach. The airline said that its systems had been compromised for more than two weeks, with 'the personal and financial details of customers making bookings on our website and app' potentially stolen by hackers between August 21 and September 5.
Reddit users hit by data breach
Reddit users have been affected by a data breach; usernames, email addresses and passwords were snatched. Find out what to do if your data is compromised.
Dixons Carphone admits that up to 10 million people could be hit by huge data breach
Some 10m personal data records could be breached, Dixons Carphone has revealed. Know your rights if your data is compromised and how to stay safe online.
Ticketmaster data breach: Thousands of customers may be affected
Ticketmaster has suffered a data breach and personal data including card payment information may have been sent to an unknown third party via malicious software. Find out what to do if you've been affected.
Criminals can buy your online identity – including banking details – for just £800
Protect your personal data online from criminals and fraudsters hacking your account.