Have you ever felt manipulated into doubting yourself and your abilities, even though your track record shows that you’re doing well? You might have encountered a gaslighter, says Michael Gips, CPP. These individuals’ manipulative shenanigans can be costly to personnel and productivity unless managers intervene promptly. Also in this episode, disruptive behavior extends beyond the office. Yan Byalik, CPP, of Newport News, Virginia, shares how and when security teams can intervene in unwanted behavior in public spaces—such as libraries, city halls, and parks—and how to communicate about access rights and restrictions with staff and visitors. Additional Resources Read Michael Gips’s article about gaslighters here: https://www.asisonline.org/security-management-magazine/articles/2025/10/disruptive-behavior/gaslighting/ Gaslighters are the only adversarial personalities you might meet at work. Read the list here: https://www.asisonline.org/security-management-magazine/articles/2025/10/disruptive-behavior/adversarial-personalities/ Incivility in the workplace can be very expensive. Explore the costs and risks of disruptive behavior in this collection of articles from Security Management: https://www.asisonline.org/security-management-magazine/articles/2025/10/disruptive-behavior/ Concerned about panhandlers or other disruptive behavior near your organization’s property? Explore some of the legal protections around those behaviors in this article: https://www.asisonline.org/security-management-magazine/articles/2025/10/disruptive-behavior/securing-public-spaces/