RansomHouse emerged in March 2022 and has claimed responsibility for attacks on two prominent South African organisations since.
The group behind the recent Cell C data breach, RansomHouse, infiltrates organisations through phishing attacks, exploiting vulnerabilities, or leveraging poor cybersecurity practices.that exposed the data of a limited number of people on 8 January 2025, and roughly two days later, it revealed that RansomHouse had claimed responsibility for the attack.
Rather than encrypting systems, this approach allows RansomHouse group members to avoid detection for longer, as there is no immediate operational disruption. She added that there are currently no other known RansomHouse victims exposed in South Africa but noted that the victimisation process can take several weeks or months.
It added that it had no additional verified information regarding the attackers’ identities and that its forensic experts are investigating.includes what appear to be customer call records, identity document scans belonging to a former exco member, and the front pages of non-disclosure agreements involving Cell C.
Its latest CyXplorer report, which focuses on cyber extortion, revealed that Africa experienced a 100% increase in threats between April 2023 and April 2024.“In our latest investigation of the ongoing Cy-X threat in our Security Navigator 2025 report, we found Africa to be the 11th most impacted region, 40% of the victims were from South Africa,” said Selck-Paulsson.
“Signs of desperation in the Cy-X ecosystem are evident, such as last year’s attack on South Africa’s National Health Laboratory Service during a health outbreak,” said Selck-Paulsson.
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