Arcade game machines employ multiple security layers to prevent cheating and tampering in public environments. Physical security begins with specialized security screws and locks that require unique tools to open cabinets, while tamper-evident seals show visible damage if accessed. Internal electronics feature protected circuit boards with epoxy-coated chips that prevent circuit manipulation, alongside firmware checksums that detect unauthorized code modifications.

Modern arcade systems incorporate monitoring mechanisms including tilt sensors that detect physical manipulation and camera surveillance in arcades. Coin mechanisms use magnetic sensors and mechanical counters to prevent coin fraud, while payment systems encrypt transaction data. Network-connected machines can transmit tamper alerts to operators and disable themselves when unauthorized access is detected.

Game software implements additional protections through checksum verification that compares code integrity against original versions, and memory protection that guards critical game data. Some systems employ behavioral analysis to detect pattern-based cheating, automatically adjusting difficulty or ending suspicious sessions. These comprehensive security approaches have evolved from simple mechanical locks to sophisticated digital protection systems, ensuring fair gameplay while protecting operator revenue in the competitive arcade industry.