Artificial intelligence is reshaping cybersecurity on both sides. Attackers are using AI to create more convincing phishing emails, automate vulnerability scanning, and generate deepfake voice calls. Defenders are using AI to detect threats faster, analyze patterns, and automate incident response.
But in the rush to either adopt AI or defend against it, many businesses are making critical mistakes. Here are seven we see regularly.
1. Thinking AI Makes You Immune to Phishing
AI-powered email filtering is excellent — tools like Microsoft Defender for Office 365 catch the vast majority of phishing attempts. But AI-generated phishing emails are also getting better. They’re grammatically perfect, contextually relevant, and increasingly personalized.
The fix: AI email filtering is necessary but not sufficient. Pair it with regular employee security awareness training. Humans remain the last line of defense.
2. Not Using AI-Powered Endpoint Protection
Traditional antivirus works by matching files against a database of known threats. That approach misses zero-day attacks, fileless malware, and novel threats entirely. AI-powered Endpoint Detection and Response (EDR) tools like Microsoft Defender for Endpoint or SentinelOne analyze behavior — flagging suspicious activity even from previously unknown threats.
The fix: Replace signature-based antivirus with an EDR/XDR solution. The cost difference is minimal; the protection difference is enormous.
3. Ignoring AI-Generated Voice and Video Threats
Deepfake technology can now clone someone’s voice from a short audio sample. We’ve seen cases where attackers impersonate a CEO’s voice on a phone call, instructing an employee to wire funds or share credentials.
The fix: Establish verbal verification procedures for any financial transaction or credential request — regardless of who appears to be asking. A callback to a known number takes 30 seconds and can prevent a six-figure loss.
4. Using AI Tools Without Security Guardrails
Employees are using ChatGPT, Copilot, and other AI tools daily — often pasting in sensitive company data, client information, or proprietary code. Most businesses have no policy governing AI tool usage.
The fix: Create an AI acceptable use policy. Define what data can and cannot be entered into public AI tools. Consider enterprise AI solutions (like Microsoft 365 Copilot) that keep data within your tenant.
5. Relying Solely on AI Without Human Oversight
AI security tools generate alerts. Lots of alerts. Without human analysts to triage, investigate, and respond, those alerts become noise. An AI-flagged threat that nobody reviews is the same as no detection at all.
The fix: If you don’t have in-house security staff, partner with a Managed Security Services Provider (MSSP) that provides 24/7 human-led monitoring and response backed by AI tools.
6. Not Training Your Team on AI Social Engineering
AI enables more sophisticated social engineering attacks. Attackers can research your company on LinkedIn, generate personalized emails referencing real projects and colleagues, and create convincing pretexts at scale.
The fix: Update your security awareness training to cover AI-enhanced threats. Teach employees to verify unexpected requests through a second channel, regardless of how legitimate they appear.
7. Assuming Compliance Equals Security
Meeting compliance requirements (HIPAA, PCI DSS, CMMC) is important, but compliance frameworks are always playing catch-up with real-world threats. AI-powered attacks evolve faster than regulatory standards.
The fix: Treat compliance as the floor, not the ceiling. Build a security posture that goes beyond checkbox requirements — continuous monitoring, proactive threat hunting, and regular penetration testing.
Stay Ahead of AI-Powered Threats
AI isn’t going away — and neither are the threats that leverage it. The businesses that fare best are the ones that use AI defensively while maintaining strong human-led security practices.
Mavericks Office Solutions provides managed security services to Ohio businesses, combining AI-powered tools with human expertise to protect your data, your clients, and your reputation. Request a free security assessment and find out where your vulnerabilities are.