The Blacklight virus is a fictional computer virus featured in the video game series Cyberpunk 2077. It is known for its ability to infect and control various systems, causing chaos and disruption. The virus is often associated with the game's themes of technology and cyber warfare, highlighting the dangers of advanced digital threats. In the game, the Blacklight virus is used by various factions to gain an advantage over their enemies. Its effects can lead to system failures, data corruption, and even the manipulation of artificial intelligence. This portrayal emphasizes the potential risks of unchecked technological advancements in a dystopian future.