Sleeper cyber weapons deployed ‘right now’ on critical networks across Australia, expert warns

If you don’t have a threat hunting capability, how will you know if you were compromised some time ago, before you had time to patch that vulnerability?…:
[…] Mr Hanson explained how nation states with advanced and fearsome capability have to “constantly” be attacking systems and networks in other countries. Cyber attackers have to protect the vulnerabilities they have successfully exploited, to ensure it remains undetected and viable. Sleeper backdoors can be groomed for years, in preparation for a zero-day attack. This allows attackers to “hold a point” in a network to be able to “deploy attacks and weapons”.
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Original article here