<Ul> <Li> Antivirus software </Li> <Li> Secure coding </Li> <Li> Security by design </Li> <Li> Secure operating systems </Li> </Ul> <Li> Security by design </Li> <Li> Secure operating systems </Li> <Li> Authentication <Ul> <Li> Multi-factor authentication </Li> </Ul> </Li>

Who invented the first anti virus software and when was it written