TalkTalk Data Breach Advice for Customers
Of all the high-profile hacks and leaks of 2015 the TalkTalk Data Breach in October may prove to be one of the most significant yet, potentially impacting all four million of its UK customers.
While details of the breach are still emerging the leaked data appears to include unencrypted names, addresses, email addresses, bank account/credit card information, customer account numbers and more.
The ‘significant and sustained’ cyberattack, likely using a DDOS (distributed denial of service) attack as a smokescreen for their chosen method of entry and extraction, shows the hallmarks of highly-organised cybercrime.
Sadly, this isn’t the first time that the UK telco’s customers have had their personal details sneaked out of the back door. Data leaks in November 2014 and August 2015 exposed information that has been used to successfully defraud customers of thousands of pounds with phishing and vishing attacks.
- Treat incoming telephone calls purporting to be from a service provider – TalkTalk or otherwise – as potentially toxic. Regardless of any account number or information quoted, or the telephone number called from (Call Line IDs are easy to spoof), in my opinion phishing and vishing fraud is now so common that incoming calls are impossible to trust. A reputable/genuine caller will quite understand any concerns and give you an option to call back on a verified number found on your (for example) bank statement or the firm’s main website (not a link they send). However, make sure you call back from another number (maybe a mobile if you have one – but check call charges) or ensure your landline has been cleared first (wait 5 minutes or call a friend first).
- Check your bank statements, credit card bills and any online payment service accounts (eg Paypal). If there are any transactions you don’t recognise, no matter how small, query them. And then keep checking them – this is good practice anyway.
- Check and change your passwords, particularly if you use the same password as your TalkTalk account across any other accounts? Email, social network, PayPal, auction sites etc?
TalkTalk has a dedicated page to keep those concerned updated with the latest news and advice on the data breach: http://help2.talktalk.co.uk/oct22incident
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