ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,538, issued on July 1, was assigned to Sophos Ltd. (Abingdon, Great Britain).
"Intrusion detection using a heartbeat" was invented by Kenneth D. Ray (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "Possible Denial of Service (DOS) activity is detected and remediated based on an initial heartbeat failure from a network asset, followed by externally directed network traffic from the network asset. In general, an interruption of the heartbeat can signal the possible presence of malware on the network asset, and the externally directed network traffic, and particularly certain patterns of traffic such as a high volume of traffic toward an address ...