By Nairaland Forum Cyberhackers are using compromised cloud accounts to mine cryptocurrency, Google has warned.
Details of the mining hack are contained in a report by Google’s cybersecurity action team, which spots hacking threats against its cloud service – a collection of remote computing services which can include storage of customers’ data and files off-site – and gives advice on how to tackle them.
Other threats identified by the team in its first “threat horizon” report include: Russian state hackers attempting to gain users’ passwords by warning they have been targeted by government-backed attackers; North Korean hackers posing as Samsung job recruiters; and the use of heavy encryption in ransomware attacks.
“Mining” is the name for the process by which blockchains such as those that underpin cryptocurrencies are regulated and verified, and requires a significant amount of computing power. Google reported that of 50 recent hacks of its cloud computing service, more than 80% were used to perform cryptocurrency mining.
The report said that “86% of the compromised Google Cloud instances were used to perform cryptocurrency mining, a cloud resource-intensive for-profit activity”, adding that in the majority of cases the cryptocurrency mining software was downloaded within 22 seconds of the account being compromised. Google said that in three-quarters of the cloud hacks the attackershad taken advantage of poor customer security or vulnerable third-party software.
Google’s recommendations to its cloud customers to improve their security include two-factor authentication – an extra layer of security on top of a generic user name and password – and signing up to the company’s work safer security programme.
Elsewhere in the report, Google said the Russian government-backed hacking group APT28, also known as Fancy Bear, targeted 12,000 Gmail accounts in a mass attempt at phishing, where users are tricked into handing over their login details. The attackers attempted to lure account holders into handing over their details via an email that said: “We believe that government-backed attackers may be trying to trick you to get your account password.” Google said it had blocked all the phishing emails in the attack – which focused on the UK, the US and India – and no users’ details had been compromised.
Another hacking ruse flagged by Google in the report involved a North Korea-backed hacker group posing as recruiters at Samsung and sending fake job opportunities to employees at South Korean information security companies. Victims were then steered towards a malicious link to malware stored in Google Drive, Read More
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