Computers - Access control - Passwords.

Essential computer security = everyone's guide to e-mail, Internet, and wireless security / by: (Language materials, printed)

Fundamentals of sketch-based passwords = a general framework / by: (Electronic resources)

Leakage resilient password systems by: (Electronic resources)

Computer security.

Pattern recognition systems.

Communications Engineering, Networks.

Information Systems and Communication Service.

Firewalls (Computer security)

Data protection.

Biometrics.

Computers- Access control

Human-computer interaction.

Data Encryption.

Spyware (Computer software)

Computer Science.

Systems and Data Security.

Electronic mail systems- Security measures.

Internet- Security measures.

Spam filtering (Electronic mail)