John McAfee

John McAfee was a British-American computer programmer, businessman, and cybersecurity entrepreneur best known for founding McAfee Associates and helping popularize commercial antivirus software.

John McAfee was a British-American programmer who founded the antivirus company McAfee Associates. He later became a controversial fugitive and died in a Spanish prison cell in 2021.

What it is: The McAfee antivirus legacy

McAfee founded McAfee Associates in the late 1980s, helping popularize commercial antivirus software. The company became a global name in cybersecurity, though he sold his stake years later and had no direct involvement with the brand by the time of his death.

Why it matters: Controversies and legal saga

After losing much of his fortune in the 2008 financial crisis, McAfee moved to Belize. In 2012, police investigated him for the killing of his neighbour, Gregory Faull. He fled to Guatemala, was arrested, and returned to the U.S. In 2020, Spanish authorities detained him on U.S. tax charges, leading to extradition proceedings.

Key details: Death and aftermath

McAfee was found dead in a prison cell near Barcelona on 23 June 2021, hours after a Spanish court approved his extradition to the United States. Officials said it appeared to be suicide by hanging. His death sparked widespread speculation and conspiracy theories, but no evidence of foul play has been publicly confirmed.