In the context of SCADA systems like Elipse SCADA, a hard key (or dongle) is a small hardware device plugged into a computer's USB port. It acts as a license key, providing a secure way to authenticate the software and ensure it's used within the allowed limits. This physical key is a common method to protect software from unauthorized use.
The 2020 Elipse SCADA hard key crack raised concerns among ICS and SCADA professionals, as it potentially allowed malicious actors to gain unauthorized access to critical infrastructure. The crack was likely created by individuals with advanced technical skills, who were able to reverse-engineer the hard key and create a workaround. 2020 elipse scada hard key crack cracked