Out-of-band authentication model with hashcash brute-force prevention

Keyphrases

• Attacker 66%
• Authentication Scheme 33%
• Brute Force 100%
• Denial of Service 33%
• Dynamically Typed Languages 33%
• Gaining Access 33%
• Hashing 66%
• Login System 33%
• One-time Password 66%
• Out of Band Authentication 100%
• Popular Language 33%
• Purging 33%
• Re-authentication 33%
• Retransmission 33%
• Server-side 33%
• SMS Text Messaging 33%
• Traffic Handling 33%
• Two-factor Authentication 33%
• User Workflow 33%

Computer Science

• Denial-of-Service Attack 25%