“There’s no guarantee that when the ransom is paid or partially paid that they are going to be honourable and release the encryption keys to you. Therefore, the only resource for organisations is to rebuild their infrastructure. That’s where the pain really starts. Everything has to be cleaned, all devices, all servers.”
That’s a process that can take weeks. Back-ups need to be checked to make sure they are clean of the ransomware before systems are restored. Attackers could have been in systems for weeks, warned Conor Scolard, technical director of Ekco Ireland, and they may have infiltrated the back-ups too.
Cyberattacks: How to protect your business data from criminals
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Inside Business with Ciaran Hancock - Ransomware: how big is the threat to Irish companies?
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