Cryptojacking has been one of the most significant security threat researchers have been facing ever since cryptocurrencies took off last year. Mining requires computational power, and in return, miners are awarded a small amount of cryptocurrency. With cryptojacking, hackers infect machines and secretly use them to mine cryptocurrencies.
According to a report by the UK’s National Crime Agency (NCA) and the National Cyber Security Centre (NCSC) titled The Cyber Threat to UK Business,“Cryptojacking will likely become a regular source of revenue for website owners.” In February this year, Tesla’s website was hacked to mine Monero.
Some website owners have implemented cryptojacking as a source of revenue for them. However, hackers have been targeting websites with inadequate security to implement cryptojacking. In these cases, both the website owner and the users do not know the existence of the malicious code.
According to a new report published by Bad Packets, more than 300 websites have been affected by cryptojacking malware due to a vulnerability in an outdated version of Drupal which is a content management system similar to WordPress. Initially, they were notified of cryptojacking on the websites of San Diego Zoo and the government of Chihuahua. On cross-referencing the two sites, the only common link was that both sites used an outdated version of Drupal.
— Bad Packets Report (@bad_packets) May 4, 2018
— Bad Packets Report (@bad_packets) May 5, 2018
Once they knew what they were looking for, they scanned the internet and found more than 350 affected websites that were affected by the bug. A lot of these websites were educational institutions and government organizations. Also, most of the affected websites were within the United States.
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