BlockThreat - Week 21, 2020

BlockFi, Hegic, tBTC, Etheroll

This week’s theme is DeFi! Writing smart contracts is hard enough, but take sufficiently complex systems like DeFi apps and bugs just start popping up. Hegic, tBTC, Etheroll all had interesting vulnerabilities discovered and published this week.

The BlockFi incident begs several questions: Why do they still use SMS as a 2FA option especially for internal employees and why are the internal systems still accessible from the Internet? This could have been much worse.

In other news, looks like some of the addresses in the Tulip Fund are turning against Faketoshi and more drama on the Steem network. Also, check out the hilarious Justin Sun deep fake scam video in the links below.

Hacks

• BlockFi Incident Report - on May 14th, 2020 BlockFi suffered a breach of its client data including customer names, emails, DoBs, home addresses, and activity history. An employee’s phone number was SIM ported to gain access to his or her corporate email and BlockFi’s internal systems. According to the incident…