If you take away one thing from this eBook, make it this: Legacy antivirus (AV) is no longer capable of stopping adversaries. Modern endpoint security is required to stop breaches — period.
Where did legacy AV go wrong? First, the decades-old technology is too slow. Implementation takes months. And endless scans and updates swamp resources while slowing down endpoints. In other words, as adversaries have sped up, legacy AV has only slowed down.