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Hacker releases key for disrupted data in ransomware attack
Brain Cipher, the hacking operation behind a recent ransomware attack against the government's temporary national data center in Surabaya, East Java, published the decryption key on its dark web site along with the steps to use it, fulfilling its promise to release the data for free.
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A stock illustration of ransomware attack. (Shutterstock/Zephyr_p)
T
he ransomware operation claiming responsibility for the recent attack on a temporary national data center has released the decryption key to unlock the encrypted data.
The operation, named Brain Cipher, published a link to the key on its dark web site along with the steps to use it, as seen in the post’s screenshot posted by StealthMole, a Singapore-based web threat intelligence company, on X on Wednesday evening.
“We independently made such a decision,” the group wrote on its site. “This did not require the intervention of special services and law enforcement agencies.”
Brain Cipher added that it would permanently delete the data it stole during the attack once the government confirmed that the key was working and recovered the data. Otherwise, it threatened to disclose the locked data publicly if the government announced the recovery of the data on its own or with the help of any third party.
Previously on Tuesday, while announcing its plan to release the key for free, the group also apologized for the ransomware attack, which disrupted various public services and affected the public.
During a press briefing on Thursday morning, Communications and Information Ministry applications and informatics director general Semuel Abrijani Pangerapan said the ministry had obtained the key and used it to successfully access some of the data.
“The technical team is still working on the rest of the databases,” Semuel said.
