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Email security incident

Cybersecurity statistics about email security incident

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Showing 1-20 of 44 results

46% of UK IT leaders cited email filtering as the most common defence against email-related incidents.

Exclaimer9/30/2025
UKEmail filtering

86% of US IT leaders indicate that more than half of their business communication flows through email.

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USEmail

47% of IT leaders based in Australia cite managing external threats (such as phishing and spoofing) as their top security challenge.

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AustraliaPhishing

83% of UK IT leaders report suffering at least one email-related security incident.

Exclaimer9/30/2025
UK

27% of UK IT leaders in the public sector say they've adopted email security training.

Exclaimer9/30/2025
UKPublic sector

63% of UK IT leaders in the tech sector say they've adopted email filtering.

Exclaimer9/30/2025
UKTechnology

41% of UK IT leaders cited multi-factor authentication (MFA) as the most common defence against email-related incidents.

Exclaimer9/30/2025
UKMFA

38% of UK IT leaders cited AI-driven threat detection as the most common defence against email-related incidents.

Exclaimer9/30/2025
UKAI

47% of UK IT leaders cited employee security awareness training as the most common defence against email-related incidents.

Exclaimer9/30/2025
UKSecurity awareness training

44% of UK IT leaders in the public sector say they've adopted MFA.

Exclaimer9/30/2025
UKPublic sector

64% of US IT leaders want to automate parts of their email infrastructure, but only 17% say they are fully prepared to implement automation.

Exclaimer9/30/2025
USAutomation

36% on average (over a third) of all security incidents reported by IT leaders are email-driven.

Exclaimer9/30/2025
UK

Nearly half (49%) of UK IT leaders report being hit by an email-related security incident in the past 12 months alone.

Exclaimer9/30/2025
UK

52% of all organisational communication in the UK flows through the inbox.

Exclaimer9/30/2025
UK

75% of UK IT leaders in the tech sector faced inbox breaches.

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UKTech

87% of UK IT leaders in the finance sector report exposure to email-related incidents.

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UKFinancial

85% of UK IT leaders in the legal sector report exposure to email-related incidents.

Exclaimer9/30/2025
UKLegal

56% of Government bodies in the UK reported a breach in the past year alone.

Exclaimer9/30/2025
UKGovernment

89% of UK IT leaders agreed that well-managed email signatures directly contribute to professionalism and client confidence.

Exclaimer9/30/2025
UKEmail signature

53% of UK IT leaders in the tech sector say they've adopted AI detection.

Exclaimer9/30/2025
UKTechnology