After 11 years working as a software developer in a company in Texas, a man received a letter announcing that, by A staff restructuringtheir responsibilities and access to the company’s systems were reduced. A year later He was fired.
However, the employee had already had time to Prepare revenge Against the company that had fired him: a sabotage software with delayed effect that would cause serious damage to the company’s servers.
A digital time bomb. According to He has made public The US Department of Justice, Davis Lu, a 55 -year -old former employee of Eaton Corporation, inserted a malicious code in the company’s system designed to activate at the time when its credentials were deactivated of the system. That is, the malware that pwould rovocar the sabotage It would only be activated once the employee was officially fired.
The main objective of this “Kill Switch” or off switch, as is known in the world of computer science, was to create infinite loops that would paralyze Java’s systems when the company workers try to log in to work on the server. The digital switch made the sessions be closed and the files of the user profiles of their former partners were deleted.
Code with automatic start. According to the Department of Justice, Malware Created by Lu became one more evidence during his trial, since the engineer baptized him as “Isdlenabledinad” that becomes the abbreviation in English of “Is Davis Lu enabled in Active Directory?”.
If the answer was no, which implied that Davis Lu had been fired, two pieces of code were triggered “Hakai“, Japanese word that means” destruction “, and”Hunshui“, Chinese word that means” sleep “or” lethargy “that were the ones that caused chaos in the profiles of the users who tried to log in while they were active.
Large economic damage. The revenge of Lu sowed chaos in the company, preventing employees from accessing their data, or that hundreds of work files associated with their profiles were lost. When Lu computer scavengers tried deactivate malwareThey discovered that the software that was “attacking” its systems was executed from the computer and a server that only Lu had access.
During their trial, the FBI agents in charge of the investigation valued in hundreds of thousands of dollars the damages caused to the company.
An exemplary punishment. After being arrested, Davis Lu faced a trial for criminal sabotage and for causing intentional damage to protected servers. The company accused him of altering his operations worldwide, blocking the profiles of thousands of users and causing large economic losses.
Although his defense tried to minimize the financial impact of the attack, the Department of Justice requested a severe penalty for Lu and a jury has condemned him to a sentence of 10 years in prison, although he still appears appeal.
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