New hires represent a critical vulnerability window during the first weeks before formal security training begins. Newcomers lack experience identifying phishing emails, fake login pages, and malicious attachments disguised as onboarding materials, making them prime targets for attackers.
Common onboarding failures create dangerous gaps. Sending login credentials via email or SMS in plain text leaves them exposed to interception. Temporary passwords like “Welcome2026” often become permanent and get reused across accounts. Many organizations grant excessive access privileges instead of following least privilege principles, fail to revoke access when employees change roles, delay security training, and allow unvetted personal devices on corporate networks.
According to Verizon’s Data Breach Investigations Report, 62% of successful breaches involve a significant human element. A single wrong click from a new employee can spread ransomware throughout an entire network or grant attackers critical system access. Proper, secure onboarding must be mandatory rather than optional.
Source: Cybersecurity Insiders, Independent CISO Research & Insights — https://www.cybersecurity-insiders.com/hacked-before-their-first-coffee-common-onboarding-mistakes-that-open-the-door-to-cybercriminals/