After a malware infection, what action should IT staff take to minimize the risk of future infections?

Using antivirus software with heuristic capabilities is a critical component in minimizing the risk of future malware infections. Heuristic analysis allows the antivirus to detect unknown viruses by examining code behaviors and properties rather than relying solely on a database of known malware signatures. This proactive approach helps identify and mitigate threats that traditional antivirus solutions may not catch, particularly zero-day exploits or new strains of malware that have not yet been cataloged.

In a post-infection scenario, enhancing detection capabilities is crucial because traditional methods may only guard against known threats. By implementing a solution that monitors for suspicious behaviors and characteristics of malware, IT staff can better protect the system from reinfection and adapt more quickly to the evolving landscape of cyber threats.

Other measures like logging failed login attempts, running automatic security updates, and installing a software firewall contribute to overall security hygiene but do not directly enhance the detection of novel malware, making them less effective on their own in the immediate aftermath of an infection. They serve as part of a broader security strategy but should complement, rather than replace, a solid antivirus solution that employs heuristic methods to cover more ground against potential infections.