Yes. The built-in filters are good at blocking spam and known malware, but most modern phishing carries no malware and is built to look genuine. CES adds a layer that reads behaviour, so it catches business email compromise, impersonation and account takeover that slip past the defaults.

BEC is a scam where an attacker poses as a director, supplier or someone in finance to trick staff into sending money, handing over data or changing bank details. The emails usually have no links or attachments, which is exactly why normal filters miss them.

Old-style gateways work off signatures, sender reputation and blocklists. CES looks at behaviour, wording, intent and identity, so it can flag a message that reads as legitimate but shows the fingerprints of social engineering or a hijacked account.

No. CES sits behind your current protection as an extra layer. You keep your existing spam and malware filtering, and CES picks off the clever attacks that get through it.

Most organisations are protected within one working day. It connects to your mailbox through an API, so there's no hardware, no MX record changes and no interruption to your mail.

Yes. CES watches identity signals and unusual sender behaviour, so a hijacked internal mailbox firing out fake invoices or odd requests gets caught, even though the email comes from a real account.