A grey hat hacker (also spelled gray hat) is a hacker or cybersecurity professional who violates laws or common ethical standards but without malicious intent.
If a black hat hacker discovers a vulnerability, he will exploit it and cause harm to others. On the other hand, a grey hat hacker will usually exploit the vulnerability to find a fix or alert the makers of the software.
The term, “grey hat” and its direct opposite “black hat” became popular in the late 1990s. The term was first used on record by DEFCON. The biggest hackers convention used the term in 1996 when it announced a Black Hat Briefings.
The color grey, in this case, is a middle ground between black and white. White hat hackers also exist and are considered ethical. In a world of black and white, hackers who find themselves in the middle are identified by the color grey.
Grey hat hackers explore the internet and hack various computer systems. However, he or she discloses loopholes to intelligence agencies, law enforcement or the affected corporations.
In some cases, a grey hat will charge a company a fee to help fix a vulnerability they have noticed. In such situations, the vulnerability could be extremely harmful to the platform in question.
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Top 5 Grey Hat Hackers
Here are some of the most known grey hat hackers who were motivated by varying reasons including profit and the quest to show the weakness in various computer systems.
Gary McKinnon
McKinnon is known to be a very skillful hacker who was well versed in computer-related practices as young as age 14. His biggest exploit as a grey hacker involved the American Military.
McKinnon hacked 97 American military networks and left a “your security is crap” message on their network.
Kelvin Poulson
Poulson, on the other hand, did it for recognition. He was known as Dark Dante at age 20.
He hacked into the LA phone networks to win an award on a radio show. Poulson also went as far as hacking the phone calls of “Hollywood Starlet” to prove his skills.
Anonymous
Anonymous is a very popular hacking group that is known for its various stance on global issues.
The group often hacks into networks of governmental organizations and influential websites to air their views on issues that interest them.
Kevin Mitnick
Mitnick is another renowned grey hat hacker who began his exploits at an early age. He was reported to have made free calls using his hacked mobile phone and stole secret codes from Sun Microsystems and Novell during childhood.
What’s more, he claims to have hacked phone calls of the NSA (National Security Agency).
“{}”
A hacking group known as “{}” hacked Apache.org in 2000. Instead of exploiting the loophole, the team sent an alert to the Apache crew to fix the problem.
Despite their unethical stance, grey hat hackers are very important in strengthening the security of various networks. These hackers take bold steps to stress test various computer systems. Since they don’t pose any major danger, their work brings better results in the end.