Encryption algorithms are effective in maintaining security

doi:10.1136/bmj.312.7036.977c

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David A Agbamu

Senior registrar Department of Histopathology, Christie Hospital, Manchester M20 4BX

EDITOR,—Many doctors know little about the Internet, and while David Sellu is right to be concerned about the security issues relating to the increasing use of the Internet by doctors and other health care workers, his short piece does not give a realistic picture of the situation.1

The suggestion that “Pentagon computers can be infiltrated by hackers almost to the point of starting a nuclear war” owes more to Hollywood than to any documented event. His …