Check your email security in 2 minutes. Email Knocking by 300Shield simulates real‑world email attacks to verify whether your mail gateways, antivirus, and sandboxes actually stop today’s threats — and delivers a clear verdict with fixes.
≈300,000 malicious emails land every day by attackers. Security teams need a fast, low-risk way to prove existing email defenses work—not assume.
of emails delivered to corporate inboxes were illegitimate (2023).
of successful attacks begin with phishing/social engineering.
of overall email traffic carries spam, phishing, malware, or related threats.
of phishing is delivered via email.
Enter work email → Run test → Review which emails arrived → Get tailored recommendations
Real‑life scenarios: password‑protected archives, macro‑enabled docs, executables, QR/URL lures, and fake domains (safely disarmed).
Configuration guidance: precise steps to tighten policies and blocking rules.
Behavior‑focused reporting: which tactics slipped through and why.
Realistic simulations + instant verdict + concrete fixes = fewer gaps, faster remediation, and provable email security.
Here's what teams usually ask before securing their human layer with 300shield. Can't find what you're looking for? Contact us.
Yes. All payloads are lab‑safe and disarmed. Nothing executes on your systems.
No. You only confirm which emails arrived. Do not open attachments or click links.
No. Tests are brief and non‑disruptive. No agents or installs.
Delivery outcomes, basic headers, and metadata required to generate the report. We don’t read mailbox content or retain user emails.
Safely disarmed versions of trending techniques: password‑protected archives, macro‑enabled docs, executables, obfuscated URLs/QR lures, and lookalike domains.
Email Knocking focuses on end‑to‑end effectiveness (what got through). Your report may include guidance to tighten DMARC/SPF/DKIM; for deep auth analysis, see 300Shield DMARC & Email Authentication.
Professional = curated payload set and core verdicts. Enterprise = continuous testing, larger library, custom packs, scheduling, API, and advanced reporting.
We're more than a platform. We're your strategic partner in human-first cybersecurity. Let's protect your most valuable asset: your people.
Get a complete breakdown of how 300Shield trains instinct, reduces risk, and builds lasting security behaviors—backed by data, strategy, and real-world results.
