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Email spoofing attacks are still a major threat for FTSE 100 companies – despite a simple fix being widely available

Almost a third of FTSE 100 organizations are still vulnerable to email spoofing attacks, according to research by Hornetsecurity. The findings come in spite of the widespread availability of domain-based message authentication, reporting & conformance (DMARC) tools, which perform last-mile checks on emails to ensure they come from legitimate domains and aren’t malicious in nature. Speaking at Infosecurity Europe 2025,…