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description=From Ledger in 2020 to Trezor s ShipMonk breach in 2026, a short history of crypto customer data leaks and practical steps to limit your exposure.;

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crypto data leaks since 2020 what they teach users securitysenses skip to main content threat detection application security data security insider threats siem soar xdr cyberattacks hacking data breaches malware vulnerability bots fraud devsecops secops mssp sase zero trust incident response remote work compliance legislation nist risk management governance ast penetration testing technology cloud mobile api ai iot open source linkedin bluesky github breadcrumb home a short history of crypto customer data leaks and what they teach a short history of crypto customer data leaks and what they teach by securitysenses oct 3 2026 2 minutes securitysenses securitysenses blockchain blog data leaks finance security image source depositphotos com share share on facebook share on bluesky share on linkedin share through email in august 2026 trezor told about 13 700 us customers that their names email addresses phone numbers and shipping addresses had been stolen in a breach at shipmonk a logistics company that had once handled its orders weeks later the number rose to roughly 80 700 after the company found the stolen records also covered orders placed between late 2019 and mid 2021 customers who had bought a wallet five years earlier and long since forgotten the delivery were suddenly on a list in the hands of an extortion group the incident is the latest in a pattern that has repeated across the crypto industry since 2020 looking at the major leaks in order shows how the risk has shifted and why the most useful protection is often simply sharing less in the first place 2020 ledger and the address list the modern story starts with ledger in june 2020 attackers accessed its e commerce database and in december a file appeared on a hacker forum with the names postal addresses and phone numbers of 272 853 buyers plus 1 075 382 newsletter email addresses no device was compromised but the data fueled years of phishing including fake ledger live updates built to capture recovery phrases it made the uncomfortable point that owning a hardware wallet was itself valuable information years later lesskyc an independent review directory that scores crypto and online services on how much personal data they collect still notes the 2020 breach on ledger s listing 2022 to 2024 the vendor problem the next wave rarely came through the crypto companies own systems it came through the suppliers around them gemini 2022 a third party vendor exposed contact details for about 5 7 million users kroll august 2023 a mobile carrier employee moved a kroll staff member s phone number to an attacker s device giving access to files on claimants in the ftx blockfi and genesis bankruptcies phishing emails posing as ftx followed almost immediately trezor january 2024 attackers reached a third party support portal and obtained names and email addresses for nearly 66 000 users gemini june 2024 a payments provider breach exposed the names and bank account numbers of about 15 000 customers 2025 when identity documents leaked the most serious case so far came from coinbase in may 2025 it disclosed that criminals had bribed overseas support contractors to pull customer records then demanded 20 million which coinbase refused to pay the data for 69 461 people included names addresses partial social security numbers masked bank details and images of government id coinbase estimated the cost at between 180 million and 400 million regulated exchanges must collect identity documents by law which means they hold exactly the records criminals value most and the people with access to them become targets 2026 the partners of partners this year added two more in january ledger warned customers that global e an e commerce partner had leaked names and contact details then came the shipmonk breach carried out through a flaw in an analytics tool the logistics firm used each step removed from the brand you trusted is another company holding a copy of your data what the pattern teaches data you hand over is copied to payment processors shippers and support desks old records persist long after you stop thinking about them a name email and confirmed purchase is enough for convincing phishing where the law requires identity checks the data will be held everywhere else less collected means less to lose that last point is why it pays to compare services on their data practices before you sign up using reviews such as lesskyc s alongside the company s own claims paying merchants directly in crypto also keeps your card details out of one more database and xmrlist lists more than 1 400 businesses and services that accept monero physical goods still need an address but a parcel doesn t have to announce what is inside btc mints a precious metals dealer that accepts bitcoin monero and other coins ships insured tracked parcels in plain packaging the kind of habit that limits the damage if a courier s records ever leak if your data is already out there treat any message that references a real order or account as suspicious however accurate it looks never type a recovery phrase anywhere except the device it belongs to ask your mobile carrier for a port out pin or sim change lock use a separate email address or alias for crypto accounts and purchases consider a parcel locker or pickup point for future hardware orders the lesson most people missed six years of leaks all point one way no company can lose data it never collected you can t control a vendor s security but you can control how many companies hold your details and how much each one gets want to see more posts like this sign up for security buzz and we ll keep you up to date with our latest blogs and news we never send spam and will not pass your details to anyone else latest posts latest videos continuous attacker emulation testing controls between annual assessments oct 7 2026 5 best direct mail apis for automated multi touch campaigns oct 7 2026 top 5 antidetect browsers for web scraping research 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