The Human Factor: Why TPA Breaches Start with People

The Data Is Clear

According to the Verizon 2025 Data Breach Investigations Report, the human element — errors, social engineering, and credential misuse — is involved in 60% of all data breaches. The top attack vectors are credential abuse (22%), vulnerability exploitation (20%), and phishing (16%). Vulnerability exploitation surged 34% year-over-year. Attackers are getting more sophisticated, faster.

For TPAs, these statistics aren't abstract. You hold Social Security numbers, dates of birth, bank account details, and financial data for thousands — sometimes tens of thousands — of retirement plan participants. Every one of those records has value on the dark web, and your staff communicates constantly with plan sponsors, recordkeepers, payroll providers, and participants — creating multiple entry points for social engineering attacks.

Why TPAs Are Prime Targets

Small-to-mid-sized TPA firms face a particular challenge. They hold enterprise-grade sensitive data but often lack enterprise-grade security training budgets. Staff turnover means new employees who haven't been trained. Busy compliance seasons mean distracted employees more likely to click without thinking. And the nature of TPA work — constant communication with external parties — makes phishing emails harder to distinguish from legitimate requests.

Consider the Transamerica breach in May 2025. An attacker impersonated a participant through the call center using social engineering. No malware, no vulnerability exploit, no sophisticated hacking — just a phone call. The result: 1,300 participants' accounts compromised, including unauthorized distributions from retirement accounts.

DOL Expects You to Address This

DOL Best Practice #7 specifically requires "cybersecurity awareness training for employees." But most TPA employees receive training once a year — if at all. Meanwhile, AI-generated phishing emails are becoming nearly indistinguishable from legitimate messages. Annual training is no longer sufficient when the threat landscape evolves monthly.

The question isn't whether your team will be targeted by a phishing attempt. It's whether they'll recognize it when it happens.

What Effective TPA Security Training Looks Like

Effective security awareness for TPAs goes beyond generic corporate training videos. It needs to address TPA-specific scenarios: fraudulent distribution requests that impersonate plan sponsors, emails that appear to come from recordkeepers requesting login credentials, impersonation of participants requesting account changes, and social engineering targeting year-end processing when staff are rushing to meet deadlines.

Training also needs to be continuous, not annual. Monthly phishing simulations test real-world readiness. Quarterly training sessions address emerging threats. Failed simulation attempts trigger immediate remediation. Completion rates and improvement trends are documented — providing the evidence DOL auditors look for.

How TPAIT Approaches the Human Factor

TPAIT deploys ongoing security awareness training tailored to TPA operations. Monthly phishing simulations use scenarios relevant to retirement plan administration. Quarterly training addresses current threat intelligence. We track completion rates, click rates, and improvement over time — giving you documented evidence of employee training for plan sponsor questionnaires and DOL audits. Your team becomes your strongest defensive layer instead of your biggest vulnerability.

Learn more about our full cybersecurity approach on our Cybersecurity Services page.