Robert, a security specialist, was appointed to strengthen the security of the organization's network.

Robert’s strategy of issuing alerts or warning messages when multiple failed login attempts occur is aimed at addressing the risk of absence of account lockout for invalid session IDs. By locking out accounts temporarily after a certain number of failed login attempts, Robert prevents attackers from repeatedly guessing passwords or trying different session IDs to gain unauthorized access. References: EC-Council Certified Security Specialist (E|CSS) documents and study guide12.