Matt Johnson, Ledgers new Chief Information Security Officer (CISO), had no choice but to hit the ground not just running but, well, sprinting. His first week of work entailed scrutinizing the fallout from an extensive data dump of customer information, among other areas such as data security and increased attacks that would come as a byproduct of bitcoin pumping.
In the aftermath of the largest hack in company history, and a little over a week after Johnson started, the hardware wallet company Ledger has announced its first measures to address the data breach and ensure such a hack doesnt happen again.
These include working with blockchain analytics firm Chainalysis to hunt the hackers, offering a 5 BTC (+1.26%) bounty for information leading to the hackers arrest and creating a comprehensive review of what information the company holds onto, where its stored and how long its retained.
Ledger publicly revealed that customer information had been compromised in July 2020. At the time, the company estimated 9,500 customers had been affected by the hack. In the following months, CoinDesk documented a string of convincing phishing attempts executed by the hackers, including emails that mimicked official Ledger correspondence and text messages.
Then, in December 2020, a data dump exposed 1 million email addresses and 272,000 names, mailing addresses and phone numbers belonging to people who had ordered Ledgers devices, which store the private keys for cryptocurrency wallets, as CoinDesk reported. The number of people affected was much higher than the original estimate of 9,500.
A rash of SIM swaps were reported in the days following the data dump and some customers started getting extortion emails, including threats of violence.
Now, Ledger has released new information about the hack, revealing that it ...
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