"Any threat actor group worth their salt has built systems to safely interact with these attempts. While any attempt is concerning, it's extremely unlikely the potential client is sitting on an abundance of unknown exploits," the hackers said. "In all cases, it amounts only to a fair bit of chuckling around the office."
TDO hackers have previously hacked and stolen data from a slew of Hollywood production houses as well as US-based hospitals. The group also recently shut down an entire school district threatening the staff and students with extremely graphic messages along with a ransom demand.
Hacking back against malicious cybercriminals is not yet the norm, although some tech firms have allegedly previously employed such counterattacks to defend and protect themselves. However, the legalities surrounding hack back attacks remain murky at best.
As of now, Britain and the US have no set legislation relating to hacking back. However, US lawmakers are now increasingly pushing for such counter attacks to be made legal, despite concerns raised by the infosec community. Former NSA director Keith Alexander told reporters that hacking back could "escalate conflict" and even possibly start wars, Motherboard reported.