The Telegram instant messaging platform on Thursday blocked six additional channels created by the Iran-affiliated group of hackers known as Black Shadow. The hackers had used the channels to share data they obtained through their breach of the servers of Israeli web hosting company Cyberserve.
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Telegram blocked the channels after having received orders to do so by the Tel Aviv Magistrate's Court at the request of the State Attorney's Office.
Likewise, Google continues to remove search results that lead users to a website used by Black Shadow.
According to officials from the cyber unit at the State Attorney's Office, efforts to limit exposure to the personal information of those affected include the removal of the content itself to the extent possible, the blocking of access to content where efforts to remove them proved unsuccessful, and the filtering of search results that lead to the content in question.
On Friday evening, BlackShadow announced it had hacked the servers of Israeli internet company Cyberserve. The hackers shuttered the company's servers and threatened to leak data pertaining to hundreds of thousands of users.
Cyberserve is a web hosting company that provides servers and data storage for companies such as the Kan public broadcaster, the Israel Lottery, Taglit-Birthright, the Dan and Kavim public transportation companies, the Children's Museum in Holon, LGBTQ dating app "Atraf," tour booking company Pegasus, the Israeli Children's Museum, and dozens of other sites.
BlackShadow first surfaced last year, with a massive breach of Israeli insurance company Shirbit and later of KLS Capital. Information from both companies' clients was leaked in the days following the breach.
The group, which had threatened to leak the data obtained from Atraf if a $1 million ransom was not paid within 48 hours, claimed to have leaked the entire user database after its demands were not met Tuesday night.
Hours later, the Iranian hackers continued to wreak havoc Tuesday night as it released private information on nearly 300,000 Israelis receiving medical treatment at the Mor Institute, including patient requests and test results.
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