Spear phishing:
today's biggest security threat

91% of all cyberattacks start with a spear phishing email – it’s the cheapest, easiest and most effective way for an attacker to hack into your enterprise. Attackers use spear phishing emails to impersonate a trusted relationship and deceive the recipient into taking some form of action.

Spear phishing is the #1 form of cyberattack

Email providers and secure email gateways are failing to combat spear phishing. Impersonation-based spear phishing attacks target every kind of enterprise, seeking to deploy malware and extract money, credentials and data.


Spear phishing attacks grew by 250% in 2018.


FBI intelligence estimates that spear phishing has cost global businesses $12.5bn since 2013.


91% of all cyberattacks start with a spear phishing email.

Prevent spear phishing with Tessian Defender

Learn how Tessian Defender secures people, data and systems at world-leading enterprises by preventing advanced spear phishing attacks.