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Deprive an attacker of things that can be used against you

There are many free tools that, if not properly leveraged, an attacker could use to their own advantage.

One example is a Windows encryption tool called BitLocker. In situations when this was not enabled, attackers have repurposed it to essentially encrypt the drives and lock out the device owners. When enabled, BitLocker becomes one less feature for attackers to leverage.

Another example is a Microsoft LAPS (local administrator password solution), which allows users to have different local administrator passwords on each device. If LAPS is not enabled, attackers can enable it on their own, locking administrators out of local admin accounts on user devices.

Claims Example

When trying to access email from home, the IT administrator of an agricultural manufacturer in the southeastern US noticed irregularities and headed into the office.

On arrival, he found blue screens or ransom notes on a number of desktops, as well as ransom notes on some printers. It turned out that 40 workstations and 3 file servers had been encrypted, and the cybercriminals had used the Windows BitLocker tool to encrypt.

A ransomware negotiator was able to provide intelligence about the ransomware group involved and their connection with a sanctioned entity, so no payment could be made.

But with the assistance of a forensics vendor, the manufacturer was able to contain the incident and restore from backups.

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