Google reveals how hackers break into people's Gmail accounts

Nov 12, 2017
Photo: AFP
Photo: AFP
NEWS DESK: Google says that phishing attacks pose the “greatest threat” to users of its services. The company has studied the ways in which hackers steal people’s passwords and break into their accounts, reported The Independent. In the space of 12 months, it found 788,000 login credentials stolen via keyloggers (tools that secretly record every key you press), 12 million stolen via phishing (a method of tricking you into giving up your personal information), and 3.3 billion exposed by third-party data breaches. According to the company, 12-25 per cent of phishing and keylogger attacks against Google accounts result in a valid password being exposed. However, attackers are going further than this. They’re using tools that also attempt to work out targets’ phone numbers, IP addresses, device types and locations, in case a password isn’t enough to successfully hijack an account. “By ranking the relative risk to users, we found that phishing posed the greatest threat, followed by keyloggers, and finally third-party breaches,” said Google. It added, “What we learned from the research proved to be immediately useful. We applied its insights to our existing protections and secured 67 million Google accounts before they were abused.” Google teamed up with UC Berkeley for the research, in which they analysed “several black markets” that traded third-party password breaches and 25,000 blackhat tools used for phishing and keylogging, between March 2016 and March 2017. Despite its warnings about phishing and keylogging attacks, Google also found that 12 per cent of the 3.3 billion leaked records included a Gmail address, and seven per cent of the passwords linked to these were valid, due to the account owners reusing them. “Our findings were clear: enterprising hijackers are constantly searching for, and are able to find, billions of different platforms’ usernames and passwords on black markets,” said Google. While the study focused on Google accounts, the company warned that these hijacking tactics pose a risk to accounts across all other online platforms too. Google recommends protecting yourself by visiting its Security Checkup page and allowing Chrome to automatically generate passwords for your accounts and save them via Smart Lock. “Finally, we regularly scan activity across Google’s suite of products for suspicious actions performed by hijackers and when we find any, we lock down the affected accounts to prevent any further damage as quickly as possible,” the company added. “We prevent or undo actions we attribute to account takeover, notify the affected user, and help them change their password and re-secure their account into a healthy state.”






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