Ilaitia Tuisawau IT professionals who specialise in cybersecurity — are in heavy demand. Picture: https://www. ign.com/articles Most information technology (IT) and cybersecurity experts will advise you that penetration testing (pentests) is essential for assured network security, and you are vulnerable unless you do it regularly – preferably annually or after any major changes in systems or network infrastructure. Then there are other security experts who tell you pentesting is a waste of time and money. Unfortunately, both of these views are not quite correct. The reality of pentesting is more complicated and subtle. Penetration testing has a fairly broad definition. The most obvious one infers breaking into a network to demonstrate you can.