1. Secret or hidden communication paths used to transmit information in a way that is not easily detected by observers or security systems
The spy used covert channels to send classified information to headquarters without being detected.
O espião usou canais encobertos para enviar informações classificadas para a sede sem ser detectado.
2. In computer security, indirect methods of transferring information that bypass normal security controls or monitoring systems
Network administrators must be vigilant about covert channels that could allow data exfiltration.
Os administradores de rede devem estar vigilantes quanto aos canais encobertos que poderiam permitir a exfiltração de dados.