Original sentence: At the Black Hat Briefings conference in 2009, vulnerabilities in Computrace/LoJack were revealed, and it was described as "actually a dangerous BIOS rootkit that can be hijacked and controlled by malicious hackers
Edited sentence: At the Black Hat Briefings conference in 2009, vulnerabilities in Computrace/LoJack were revealed.The researchers say that this "available control of the anti-theft agent allows a highly dangerous form of BIOS-enhanced rootkit that can bypass all chipset or installation restrictions and reutilize many existing features offered in this kind of software