(cryptography) An attack on a cryptographic hash function that is able to find a second preimage for a hash and its preimage; that is, given a hash and an input that has that specific hash, it is able to find (faster than by brute force) another input with the same hash.

plural of transient ischaemic attack

plural of transient ischemic attack

In a battle or dispute, attacking the opposition first is better than waiting for them to attack.

(immunology) A formation of transmembrane channels on the surface of a pathogenic bacterial cell that disrupts the phospholipid bilayer of the target cell resulting in its destruction.

Alternative spelling of attack is the best form of defence

(Canada, informal, education, derogatory) Standardized tests conducted by the Education Quality and Accountability Office in the province of Ontario.

plural of complement membrane attack complex

(archaic) second-person singular simple past form of attack