DoubleChecked

Is Your Business Actually Covered? Most Cyber Insurance Claims Are Denied for This.

Get the 2026 Cyber Insurance Readiness Checklist - the exact controls underwriters look for before binding or renewing coverage.

40%+ of claims denied in 202460% of claims are BEC & wire fraud82% of denials involve missing MFA

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Here's What Underwriters Are Actually Checking

6 sections. 30+ controls. The ones marked with a star are where most denials happen.

Identity & Access

MFA on ALL Accounts - email, VPN, cloud apps, admin portals, remote access
Privileged Access Controls / PAM - dedicated admin accounts, no shared credentials
SSO / Identity Provider (Entra ID, Okta)
Inactive Account Offboarding Process
Password Manager Deployed

Endpoint Security

EDR / MDR - Actively Monitored 24/7 on ALL servers and workstations
Patch Management - OS and 3rd-party patched within 30 days; critical CVEs within 72 hrs
Full-Disk Encryption (BitLocker or equivalent)
Mobile Device Management / MDM

Email, BEC & Phishing

Advanced Email Filtering + BEC Protection
SPF / DKIM / DMARC - All Three Configured (DMARC at least "quarantine")
Social Engineering / FTF Endorsement in Your Policy
Security Awareness Training - Documented

Backup & Ransomware Resilience

Immutable Backups - Isolated from Production
Recovery Tested and Documented Quarterly
Daily Backup Frequency
Backup Encryption

Network & Cloud Security

No RDP Exposed to the Internet
Next-Gen Firewall with IPS/IDS
Network Segmentation
Cloud Security Baseline - M365 / Azure / AWS
Security Logging - 90+ Day Retention

Governance, Claims Process & Policy Traps

Report Incidents Within 72 Hours - Not After Investigation
Application Accuracy = Ongoing Obligation
Incident Response Plan - Tested, Not Just Written
Third-Party / Vendor Risk Management
Know Your Exclusions Before You Need Them

Why This Matters

Claim denial rates are climbing. Insurers are tightening requirements and enforcing them. These are real cases where businesses lost coverage over preventable gaps.

Claim Denied

$18.3M claim denied

Hamilton, Ontario

MFA wasn't enabled across the organization. The insurer denied the entire claim based on a single missing control that was promised on the application.

Claim Denied

Full claim denied - 72-hour window missed

Undisclosed

A company spent 2 weeks investigating a breach before notifying their insurer. The breach itself would have been covered. The late reporting voided the entire claim.

Claim Denied

Ransomware encrypted production AND backups

Undisclosed

Backups stored in the same cloud account as production were encrypted alongside everything else. The insurer denied the claim for misrepresentation of backup isolation.

About DoubleChecked

DoubleChecked is a fractional CTO and cybersecurity advisory firm serving SMBs, mid-market companies, and the MSP/MSSP channel. We help business owners understand their real risk posture, close the gaps that lead to claim denials, and build technology programs that hold up under scrutiny. Security-first. No fluff.

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