BlackWallet.co was victims of a DNS hijacking attack, on January 13 the attackers have stolen over $400,000 from users accounts (roughly 670,000 Lumens). The attackers collected 669,920 Lumens, which is about $400k at the current XML/USD exchange rate. Attackers immediately started moving funds from the XLM account to Bittrex, a cryptocurrency exchange, in the attempt to launder them by converting in other digital currency.”]
Source: https://securityaffairs.co/wordpress/67753/cyber-crime/blackwallet-hacked-dns-hijacking.html