Over 90% of mid-size enterprises report losing more than $300,000 per hour during an outage, per the ITIC 2024 Hourly Cost of Downtime Survey. An IT disaster recovery plan isn't a binder on a shelf, it's a tested, role-assigned set of procedures that defines exactly what happens in the first minutes of an incident.
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A cybersecurity audit is a structured review of IT systems, policies, and controls to identify gaps before attackers do. This checklist covers the areas that matter most for small and mid-sized businesses, identity and access controls, endpoint security (EDR, patch status, disk encryption, MDM), network security (RDP exposure, firewall rules, segmentation), email security (DMARC, DKIM, SPF, phishing simulations), backup and recovery, vulnerability management, incident response readiness, compliance and policy review, and third-party vendor risk. Each section identifies what to check specifically and why it matters.
As of 2025, DoD contracts require contractors to demonstrate CMMC compliance before award. CMMC Level 2, which applies to most contractors handling CUI, requires third-party assessment by a C3PAO and maps to 110 controls in NIST SP 800-171.
A firewall and antivirus were adequate defenses in 2005. Modern attacks chain phishing, credential theft, privilege escalation, and ransomware deployment in sequence, with attackers often in the network for weeks before the final payload triggers. This guide covers the full scope of cybersecurity for small and mid-size businesses: why SMBs are the primary target, how modern attacks unfold, the defensive controls that break the chain at each step, cybersecurity frameworks (NIST CSF 2.0 and CIS Controls), compliance overlap with HIPAA and CMMC, cyber insurance requirements, and what a functioning security program looks like in practice.
FBI cybercrime losses in the US reached $16.6 billion in 2024, a 33% increase over 2023. A firewall and antivirus haven't been sufficient defenses for years. Modern attacks work through inboxes, employees, vendors, and credentials. 77 billion in losses), ransomware, malware and endpoint threats, MITM attacks, denial of service, SQL injection, DNS attacks, credential attacks, insider threats, zero-days, and cryptojacking.
In 2024, 725 large healthcare breaches were reported to HHS OCR, exposing PHI for more than 275 million individuals. IBM's 2024 Cost of a Data Breach Report puts the average healthcare breach at $9.77 million, the highest of any industry. OCR closed 22 investigations with financial penalties that year, collecting over $12.8 million.
The April 2022 joint advisory from CISA, FBI, NSA, and allied agencies across five countries wasn't targeted at defense contractors, it explicitly warned that Russian state-sponsored and criminal groups target organizations of all sizes. A 2024 follow-on advisory confirmed GRU Unit 29155 has conducted ongoing operations against NATO member organizations. This article documents the specific TTPs the advisory identified, spearphishing, brute force against Microsoft 365, exploitation of unpatched VPNs, living-off-the-land techniques, and maps each to the mitigations the advisory recommended.
IT systems don't have a check engine light. You find out your backup hasn't completed in three weeks, a former employee's account is still active, or a core server is out of headroom when something breaks, which is the worst time to find out. Datto's 2023 ransomware report found unplanned downtime costs SMBs an average of $8,000 per hour.
The 2022 White House cybersecurity advisory, co-issued by CISA, the FBI, and NSA, has not been rescinded. Verizon's 2025 DBIR found ransomware appeared in 88% of SMB breach incidents, and the IBM 2024 Cost of a Data Breach Report put the average breach cost at $4.88 million.
Microsoft guarantees 99.9% uptime for its applications, not your data. Under the Shared Responsibility Model, Microsoft is not responsible for data lost through user deletion, ransomware encryption, account compromise, or policy violations. Exchange has a 30-day default retention window. SharePoint and OneDrive recycle bins hold content for 93 days. Once those windows close or an account is deleted, the data is gone, there is no Microsoft-managed backup to call.