Cybersecurity Glossary: Terms Explained in Plain English | TecnetOne

What Is Whaling in Cybersecurity? | TecnetOne Glossary

Written by Tecnet One | Oct 19, 2026, 5:52:25 PM

In cybersecurity, whaling is a type of phishing aimed at senior executives, such as the CEO or CFO, to get them to approve a wire transfer or hand over confidential information. The message impersonates a partner, an attorney or a regulator and is built from public company data. For example, an email asks the CFO to pay for an urgent acquisition.

Go deeper on the TecnetBlog: What Is Phishing?

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