Field notes: Security strategy
Security strategy posts
How to Choose AI Email Security for Office 365 in 2026: What Microsoft's Own Guidance Says
The best AI email security for Office 365 connects the way Microsoft supports: by API, with no MX change, deciding before mail reaches the inbox.
How to Investigate and Respond to a Compromised Microsoft 365 Account
Investigate a compromised Microsoft 365 account, revoke attacker access, find mailbox persistence, and prevent repeat account takeover.
Twenty-Two Articles, Four Themes: What a Year of Writing About AI and Email Security Taught Me
CEO Alan LeFort maps a year of writing on AI email threats into four themes — and why detection has to reason, not match patterns.
Your Employee Just Got a Sextortion Email. Is It a Security Incident?
A sextortion email doesn't need malware to create enterprise risk. Examine leaked credentials, employee behavior, identity threats, and the security signals behind these attacks.
The AI Attack Surface: Securing Email Agents Against Prompt Injection
The enterprise inbox is becoming an AI attack surface as malicious email influences agent context, tool access, data retrieval, and automated actions.
Inside a Sextortion Email Attack: Psychology, AI, and Enterprise Defense
Sextortion emails weaponize fear, leaked passwords, and AI-generated deception to create the illusion of compromise. Practical guidance for identifying empty threats, protecting credentials, and responding with confidence.
How to Implement Zero-Trust Email Security in 2026
Implement zero‑trust email defenses in 2026. Stop AI‑driven phishing with real‑time identity checks, AI threat analysis & strict authentication.
The Email You Sent to the Wrong Person Is Now Your Biggest Compliance Risk
Every firewall in the world cannot stop an email your employee sent themselves. Here is why misdirected email is the silent breach most organizations are completely unprepared for — and what actually fixes it.
API vs. Inline Email Security: The Truth About Pre-Delivery Protection
Why post-delivery clawback latency leaves a window of exposure for AiTM session hijacking, and how to block it inline.
The Fake Rolex Problem: What 5,000 Real Phishing Attacks Taught Us About Why Email Security Fails
We analyzed 5,000 enterprise phishing alerts that bypassed the top 3 secure email gateways. Every single one used structural evasion by design — not better writing. Here is what we found across 22 techniques, 5 categories, and 1,400+ attack combinations.
8 Email Attacks That Bypass Microsoft Defender for Office 365 in 2026
Microsoft Defender blocked 13 million Tycoon2FA emails in October 2025 alone. Yet BEC, AiTM, AI spear phishing, OAuth consent phishing, and calendar invite attacks still reach inboxes clean. Here are 8 attack types Defender cannot stop — and what intent-based detection does differently.
The 1% Rule: Why 'Explainable AI' is the Only Cure for the Cybersecurity False Positive Crisis
False positives are burning out your SOC. Stop buying Black Box AI and learn how Explainable AI (XAI) and the 1% Rule help mid-market teams catch more threats and investigate less.
The Castle and the Cloud: Why the Gateway Era Architecture Struggles with AI
Why legacy gateway email architectures fail against AI-driven phishing — and how a cloud, AI-native inbox layer restores visibility, control, and rapid remediation.
Survivable User Error: The New ROI of Enterprise Security
Is your security budget wasted on the "Black Box Tax"? CCO Karen Letain explains why legacy SAT is dead and how to prove the ROI of Invisible Security.
Evolution of Email Security: Why the "Gateway" Era Architecture Can't Survive the API Future
Mimecast secures the perimeter, but who secures the inside? The "Gateway Gap" that leaves you vulnerable to BEC and Lateral Movement—and how API security closes it without replacing your current stack.
![A computer monitor in a corporate office completely obscured by excessive yellow '[EXTERNAL]' and red 'WARNING' email security banners, illustrating the concept of banner blindness and security alert fatigue.](https://cdn.sanity.io/images/fe32wvta/production/1e83a66486c1c3c8f753c68e2ca1218419e676a4-1536x1024.webp?w=1200&fit=max&auto=format&q=80)
Banner Warnings Are Making Employees Ignore Real Threats
Open your inbox. Look at the last ten emails you received.
What 18 Months of Security Evaluations Taught Me About Buyer Priorities in 2026
I spent years at McAfee and Proofpoint before joining StrongestLayer. I thought I understood what OEM and enterprise security buyers needed—after all, I’d seen the playbook work for two of the category leaders.
We Are Still Sacrificing Users to Appease the Volcano
The legacy security model is built on a dark secret: it needs "Patient Zero" to die so others can live. Why the "Sacrificial Lamb" approach fails in the age of AI.
The Audit Room Problem: Why Email Security Needs Explainability
Picture this: You're in a regulatory examination. The auditor asks, "How do you know your email security actually works?"
Why Pattern-Matching is Mathematically Obsolete in the AI Era
For two decades, email security relied on a simple premise: attackers repeat themselves. Build a database of malicious patterns, train ML models to recognize them, block anything that matches. This approach powered Proofpoint, Mimecast, Barracuda, and the entire Generation 2 security market.
The Security Paradox: Why "More Protection" Is Creating New Vulnerabilities
New research aggregating data from 15,000+ respondents reveals a "Security Paradox." Discover why 61% of employees bypass IT tools and how to fix the "Shadow IT" crisis.
The Liveness Illusion: Why Identity is Not the Same as Intent in 2026
In 2026, biometrics like FaceID are bypassed by real-time deepfake injection. Security must shift from static identity (who you are) to behavioral intent (what you are doing) to prevent breaches.
The Zero Trust Paradox: Why Your "Whitelist" Is the Biggest Hole in Your Defense
Organizations invest millions in Zero Trust, yet traditional email security forces them to punch permanent holes in their perimeter via whitelisting. Learn how to move from "False Positive Management" to "Constrained Trust."
Your "Allow List" is an Attack List: The Silent Threat of Zombie Rules
Your "Allow List" is a security backdoor. Learn why "Zombie Rules" create governance gaps and how the Three Axes framework replaces static trust with dynamic intent.
Stop Fighting AI with Math: Why Architecture is the New Catch Rate
We spent the last decade optimizing for the wrong metric. Here is the new architectural framework (The Three Axes) that actually matters.
Cybersecurity 2026: Mastering AI-Driven Threats and Supply Chain Vulnerabilities
We outline the key cybersecurity risks anticipated this year and offer strategic solutions for creating resilient defenses.
Navigating the Dual-Use Dilemma: The Battle Against AI Misuse
Our goal is to empower leaders and security professionals with insights and resources to protect assets from emerging threats, ensuring innovation drives progress without increasing risks.
Mastering AI Security: Protecting Enterprises from AI-Driven Phishing
This blog delves into AI's transformation of phishing tactics and outlines strategies for enterprises to protect against these evolving threats.
The False Positive Problem Isn't a Tuning Issue—It's Architectural
See why sophisticated businesses and sophisticated attacks look identical to traditional email security
From Innovation to Exploitation: How AI Fuels Cyber Threats
Throughout this blog, we’ll discuss the rise of AI-powered autonomous cyberattacks, their implications for businesses, and the strategies needed to defend against them.
The Best Defense Against Phishing: Comprehensive Strategies for Businesses
Phishing is no longer a simple email scam; it has evolved into a sophisticated cyber threat capable of crippling businesses of all sizes.
Zero-Day Email Protection for Microsoft 365 — No MX Record Change
Deploy zero-day email protection for Microsoft 365 without changing MX records. API-first, cloud-native email protection that stops phishing and BEC while reducing SOC workload.
Zero-Day Email Protection: Building a Modern Workflow Against Novel Threats
Defend against zero-day email threats with a proven playbook. Learn how AI phishing protection, layered controls, and human risk training cut dwell time from hours to minutes.
AI-Powered Cyber Warfare in 2030: Risks, Innovations, and Global Implications
The rapid evolution of artificial intelligence (AI) is poised to redefine the landscape of cyber warfare by 2030.
Cybersecurity in 2026: The Synergy Between AI and Human Ingenuity
In 2026, cybersecurity is evolving rapidly. Attackers use AI for complex threats, while defenders counter with AI-driven solutions.
Inside the LLM Stack: The Technology Powering Enterprise-Grade Detection
Master enterprise-grade email defense with StrongestLayer's LLM-native TRACE stack—predictive threat hunting, AI intent analysis.
Enterprise Email Security Benchmarks for 2026: What Matters Now?
The benchmarks that matter for enterprise email security in 2026.
The Anatomy of a Zero-Day Attack (and How LLMs Stop It)
3 mins read
Why LLM-Native Cybersecurity Platforms Are Essential for Enterprises in 2025
Why LLM-native cybersecurity is critical for enterprise email defense in 2025. Proactively stop AI-driven threats, zero-day phishing, and boost ROI.
How Does AI Email Security Work in 2026 — and Why Traditional Filters Fail?
Find out how AI email security protects enterprises in 2026, and why legacy filters fail against phishing, BEC, and zero-day threats.
Why Microsoft Isn’t Enough: The Case for a Layered Email Security Approach
Why relying solely on Microsoft’s native email security leaves gaps in protection. Learn how a layered approach with advanced AI-driven solutions can provide superior defense against modern cyber threats.
Real-Time AI Email Security for Office 365: Setup in 5 Minutes
Experience the future of email protection with StrongestLayer. Our real-time AI Email Security solution for Office 365 is ready to deploy in just 5 minutes—fight phishing and BEC threats with cutting-edge technology that’s simple, fast, and effective.
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