Luxembourg-based Energy Supplier Encevo was hit by a ransomware attack that breached its subsidiaries and urged customers to update their credentials.
Luxembourg-based Energy Supplier Encevo was hit by a ransomware attack that breached its subsidiaries and urged customers to update their credentials.
In a dark web blog post on Friday, BlackCat – also known as AlphV – claimed to have stolen 150Gb of data from Encevo Group, comprising contracts, agreements, passports, bills and emails. “At Monday, we gonna publish the data we have,” it said, likely having demanded a ransom.
Encevo Group disclosed last week that two of its subsidiaries – electricity network and gas pipeline operator Creos and energy supplier Enovos – suffered a cyberattack on the night of 22 July, ‘negatively impacting’ their customer-facing portals.
It later confirmed that several data were exfiltrated from computer systems or made inaccessible by hackers during the attack. The group is currently bringing in every measure to analyse the hacked data. Currently, the Encevo Group does not yet have all the information necessary to inform each person concerned personally.
According to research by security company Emsisoft, Black Cat / Alpha is a strain of ransomware that encrypts files using AES encryption. This was first discovered in November 2021 and quickly claimed dozens of victims within its first few months of operation.
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