Harmony has hit a bum note.
To the tune of $100M.
This is the 3rd bridge in the top 10, and the second drained via compromised private keys.
Over 14 hours after the first funds began to move, the theft was announced.
Were nine figures really secured by just two signatures?
The attack vector which allowed the hacker to take control of these addresses remains unknown, though some have speculated that they were hot wallets with private keys kept in plaintext.
If an attacker managed to gain access to the servers running these hot wallets, they would have access to the two addresses necessary to pass any transactions they like, such as draining $100M from the bridge.
Exploiter address: 0x0d043128146654c7683fbf30ac98d7b2285ded00
Harmony ETH Bridge: 0xf9fb1c508ff49f78b60d3a96dea99fa5d7f3a8a6
Harmony ERC20 Bridge: 0x2dCCDB493827E15a5dC8f8b72147E6c4A5620857
Harmony BUSD Bridge: 0xfd53b1b4af84d59b20bf2c20ca89a6beeaa2c628
On BSC, the attacker also took 5k BNB and 640k BUSD which also remain in the BSC address.
The flow of funds can be seen in Peckshield’s graphic below:
Since the hack, the number of signers has been updated to 4.
Too little, too late.
With threats like these known to be relentlessly targeting cryptocurrency projects, the fact that another entire network’s official bridge could be drained by compromising just two addresses is far from acceptable.
Not only should the other cases have set the alarm bells ringing, but in early April @_apedev specifically called out the Harmony bridge’s precarious security situation.
How did the devs overlook, and then ignore, such lax security for securing 9 figures of users’ funds?
Harmony always struggled with attracting users.
After this attack, and with market sentiment at all time lows, is this the final encore for Harmony Network?
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