(Internet) Security as it pertains to the Internet, such as information security.

(regular expressions, rare) A type of matching where the newline character matches newlines but the wildcard character also does. / Used other than figuratively or idiomatically: see weird, matching.

plural of Bogdanski

(rail transport) superimposed pair of railway crossovers, resembling a letter X, permitting to travel in either direction between a pair of parallel tracks