Data & Identity

Shut the door attackers walk through

The inbox is the number-one way breaches begin. S-Security stops phishing, business email compromise, and account takeover with AI-driven detection, DMARC/SPF/DKIM enforcement, attachment sandboxing, and training that turns your people into a human firewall.

Overview

Over 90% of breaches start with an email

Attackers don't hack in — they log in, after tricking someone into handing over a password or wiring a payment. We break that chain at every link.

AI-generated lures now sail past legacy filters, and a single convincing message can cost you millions in a wire fraud or unlock your whole network through a stolen credential.

S-Security layers technology and people. Our AI inspects every message for the linguistic and behavioral tells of phishing and BEC, sandboxes attachments and links in real time, and enforces DMARC, SPF, and DKIM so no one can spoof your domain. When an account is compromised, we detect the takeover and shut it down. And because the last line of defense is human, we run continuous phishing simulations and role-based training that measurably cut your click rate.

  • Anti-phishing — AI detection of credential-harvesting and malicious links.
  • BEC defense — catch payment fraud and executive impersonation.
  • DMARC / SPF / DKIM — stop spoofing of your domain, fully managed.
  • Sandboxing — detonate attachments and links before delivery.
  • Account-takeover protection — detect and shut down compromised mailboxes.
  • Awareness training — phishing simulations that lower real click rates.
What's included

Defense for the whole inbox

Inbound, outbound, and the humans in between — covered.

AI anti-phishing

Natural-language and behavioral models flag credential-harvesting, lookalike domains, and novel lures legacy filters miss.

BEC & fraud protection

Behavioral analysis detects executive impersonation, vendor fraud, and payment-redirect scams before money moves.

DMARC / SPF / DKIM

We deploy and manage email authentication to enforcement, so attackers can't spoof your domain to fool customers or staff.

Attachment & URL sandboxing

Suspicious files and links are detonated in an isolated environment and rewritten, so malware never reaches the inbox.

Account-takeover defense

We detect anomalous logins, suspicious mailbox rules, and exfiltration — then lock down compromised accounts fast.

Awareness training

Realistic phishing simulations and bite-sized, role-based training measurably turn employees into an early-warning sensor grid.

How it works

Layered defense, message by message

Lock down your domain

We deploy and tune DMARC, SPF, and DKIM to enforcement so no one can impersonate your brand.

Analyze every message

AI scores sender reputation, language, and intent on inbound mail, catching phishing and BEC before delivery.

Sandbox the unknown

Risky attachments and links are detonated in isolation; malicious content is blocked or safely rewritten.

Watch the accounts

We track sign-in anomalies and mailbox rule changes to catch and contain account takeover in real time.

Strengthen the humans

Continuous simulations and targeted training drive your click rate down and reporting rate up, quarter over quarter.

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Breaches starting with email
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Phishing catch rate
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Drop in click rate, 6 mo
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Threat monitoring
Why S-Security for email

Technology and people, working together

Catches what filters miss

Our behavioral AI flags the text-only BEC and AI-written lure that have no malicious payload for a signature engine to find.

Trains the last line

Technology stops most threats; people stop the rest. Our training measurably lowers click rates and boosts reporting.

Backed by the SOC

A reported phish or a compromised mailbox triggers SOC investigation and cross-fleet hunting — not just a quarantine.

"S-Security flagged a fake CFO wire request that would have cost us $240,000. It looked perfect to the human eye — but the behavioral model knew our CFO never emails like that."
Priya Nair
Priya NairCISO · Quantel
FAQ

Email security questions, answered

Doesn't Microsoft 365 or Google already filter spam?
Their built-in filters catch bulk spam and known malware well, but they struggle with the targeted, payload-free attacks that cause real damage — BEC, executive impersonation, and AI-written spear phishing. We add a behavioral and AI layer that closes exactly those gaps, integrating cleanly with M365 and Google Workspace.
What is BEC and why is it so dangerous?
Business email compromise is fraud where an attacker impersonates an executive, vendor, or partner to trick someone into wiring money or sharing data. It carries no malicious attachment, so signature tools see nothing — yet it's one of the costliest cyber crimes. We detect it through behavioral and relationship analysis.
Will deploying DMARC break our legitimate email?
Not when it's rolled out properly. We start in monitoring mode to identify every legitimate sending service, fix alignment issues, and only then move to enforcement — so your real mail keeps flowing while spoofers get blocked.
Does awareness training actually reduce risk?
Measurably, yes. With realistic, continuous simulations and short targeted lessons, our clients typically see click rates fall sharply and threat-reporting rates rise within months — turning employees from the most-targeted vulnerability into a valuable sensor network.
Related services

Pairs well with

Endpoint Security (EDR)

If a malicious attachment ever slips through, EDR stops it on the device and rolls back the damage.

Explore Endpoint

Zero Trust Architecture

Phishing-resistant MFA and conditional access make a stolen email password far less useful to an attacker.

Explore Zero Trust

Managed Detection & Response

Account-takeover signals feed the SOC for fast investigation and cross-environment containment.

Explore MDR
Close the number-one attack path

Run a free phishing risk test

We'll baseline your domain's spoofability and your team's click rate, then show you exactly how layered email defense closes the gaps.