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Internal Network Security
Review routers, switches, VLANs, wireless, servers, workstations, user access, and segmentation to reduce lateral movement and ransomware spread.
Orange County Cybersecurity Services
Cybersecurity Services for Network & Data Protection
Protect your organization before a breach happens. OC Security Audit helps Southern California, Irvine, Orange County, and Los Angeles businesses secure networks, reduce ransomware risk, protect sensitive data, and prepare for HIPAA, PCI-DSS, SOC 2, NIST, ISO/IEC 27000, and CMMC compliance.
25+
Years of IT & cybersecurity experience
DozensOf business networks reviewed
CISSPCCISO, MCSE, MCSA, MCITP, CCNA, CCNP
LocalIrvine, Orange County, Southern California & Los Angeles
Security visibility for your business
Network, cloud, endpoint, identity, backup, compliance, and risk controls reviewed together.
Network, cloud, endpoint, identity, backup, compliance, and risk controls reviewed together.
What We Secure
Practical Cybersecurity Services Built Around Real Business Risk
From firewalls and endpoints to Microsoft 365, Azure, cloud security, backups, user access, and compliance controls, OC Security Audit helps identify the gaps attackers look for and gives your team a clear remediation roadmap.
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Vulnerability & Risk Assessment
Identify exposed services, weak configurations, patch gaps, firewall issues, and public-facing risks with prioritized findings.
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Firewall & Perimeter Security
Assess firewall rules, NAT, VPN access, DMZ design, firmware, logging, high availability, and exposed internet services.
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Microsoft 365, Azure & Cloud
Improve MFA, Conditional Access, administrator roles, cloud storage sharing, mailbox security, Azure configuration, and audit visibility.
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Endpoint & Threat Detection
Strengthen endpoint protection, anti-malware, patching, monitoring, suspicious activity detection, and AI-assisted threat visibility.
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Identity, Accounts & Access
Review former employees, privileged users, shared accounts, password controls, MFA, service accounts, VPN users, and cloud access.
Find weaknesses before attackers do.External exposure, vulnerability management, firewall configuration, cloud identity, and backup readiness are reviewed as part of one security picture.
Complete IT Environment Security Assessment
OC Security Audit reviews your business environment from the inside out. We evaluate the systems employees use every day, the infrastructure that supports your operations, and the external services exposed to the internet.
A complete network and data security assessment can include internal network security, external attack surface review, firewall and DMZ security, router and switch configuration, server and endpoint security, Active Directory, password and MFA review, Microsoft 365, Azure, website exposure, backups, firmware, patching, documentation, and a security roadmap.
Internal network and segmentation review
External attack surface and open ports
Firewall, VPN, DMZ and remote access
Microsoft 365, Azure and cloud identity
Backup, recovery and ransomware resilience
Executive summary and technical roadmap
Assessment Scope
What a Network & Data Security Review Can Include
Each engagement is tailored to your environment, but these are the common areas reviewed for business owners, executives, IT managers, and compliance stakeholders.
01
Internal Network & Infrastructure
Review the trusted internal environment where most business systems, users, servers, and sensitive data live.
- Routers and switches
- VLANs and segmentation
- Wireless and guest Wi-Fi
- Servers and workstations
- Administrative access
- Network documentation
02
External Attack Surface
Identify what attackers may see from the internet before they attempt to break in.
- Public IP addresses
- Open ports and exposed services
- VPN and remote access
- Websites and web applications
- DNS and domain security
- SSL/TLS configuration
03
Firewall, DMZ & Perimeter
A firewall should protect the business, limit exposure, and support secure operations—not just pass traffic.
- Firewall rules
- NAT and port forwarding
- DMZ separation
- VPN users
- Intrusion prevention
- Logging and alerting
04
Users, Passwords & Access
The right people should have the right access—no more, no less.
- Employee and admin accounts
- Former employee access
- Shared accounts
- Password policies
- Multi-factor authentication
- Privileged roles
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Email, Microsoft 365 & Cloud
Email and cloud accounts are often the easiest path into sensitive company data.
- SPF, DKIM and DMARC
- Conditional Access
- SharePoint and OneDrive sharing
- Mailbox forwarding rules
- Cloud administrator roles
- Azure security configuration
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Backup, Disaster Recovery & Data Protection
Backups only matter if they are complete, protected, monitored, and restorable.
- Server and workstation backups
- Microsoft 365 backups
- Offsite and immutable backups
- Restore testing
- Recovery objectives
- Business continuity procedures
Security Coverage
Business Security Across Network, Cloud, Data, and Compliance
Use a coordinated approach to reduce risk across payment data, healthcare data, cloud systems, endpoints, AI-powered monitoring, and physical network infrastructure.
PCI-DSS and payment data protection
HIPAA, PHI, and healthcare security
AI-powered threat detection and response
Routers, switches, endpoints, and LAN controlsProtect & Improve
What We Help Protect and the Gaps We Commonly Find
Many businesses do not realize they have security gaps until a review uncovers them. OC Security Audit helps turn those findings into practical security improvements.
What We Help Protect
Your network, systems, people, data, cloud services, business applications, and recovery capabilities.
- Business networks
- Firewalls and internet connections
- Routers and switches
- Servers and workstations
- User accounts and passwords
- Email systems
- Microsoft 365 and Azure
- Websites and domains
- Remote access and VPNs
- Customer records
- Financial data
- Legal and healthcare data
- Backups and recovery systems
- Security policies and documentation
Common Security Gaps
Weaknesses that can increase ransomware, unauthorized access, downtime, data loss, and compliance risk.
- Weak or reused passwords
- Missing MFA
- Former employees still active
- Flat internal networks
- Poor VLAN segmentation
- Outdated firewall rules
- Exposed remote access
- Open ports on public IPs
- Outdated firmware
- Unpatched servers
- Weak email security
- Missing SPF, DKIM, or DMARC
- Incomplete backups
- Missing network diagrams
Compliance-Focused Cybersecurity for Regulated Businesses
Security and compliance work best together. OC Security Audit helps organizations understand where technical controls, documentation, access management, data protection, backup readiness, and governance align with common frameworks.
HIPAA security and PHI protection
PCI-DSS payment data readiness
SOC 2 trust services support
NIST Cybersecurity Framework
ISO/IEC 27000 controls
CMMC 2.0 readiness
Secure. Document. Improve.Compliance readiness should produce both stronger security controls and clearer executive visibility.
Senior-Level Guidance
Business-focused recommendations that translate technical findings into clear priorities for owners, executives, and IT teams.
Local Orange County Expertise
Support for companies in Irvine, Orange County, Southern California, and Los Angeles that need practical security improvements.
Executive & Technical Deliverables
Clear findings, risk ratings, technical action items, remediation priority, and documentation that can support compliance.
vCISO & Governance Support
Strategic cybersecurity planning, policy guidance, risk management, incident readiness, and security leadership support.
FAQ
Network & Data Security Frequently Asked Questions
Clear answers for business owners and IT managers who want to reduce cyber risk and prepare for compliance requirements.
What cybersecurity services do you offer?
OC Security Audit provides network security, vulnerability assessment, cybersecurity risk assessment, firewall review, endpoint security, Microsoft 365 and Azure security, access control review, backup and disaster recovery readiness, and compliance support.
How do you assess our current security posture?
We review internal systems, external exposure, firewall and VPN access, identity controls, endpoint protection, cloud settings, backup readiness, documentation, and compliance gaps, then prioritize findings based on business risk.
What is included in a network vulnerability assessment?
A network vulnerability assessment may include open port review, exposed services, firewall policy review, segmentation checks, patch and firmware review, endpoint risk, cloud exposure, and prioritized remediation recommendations.
Can you help with HIPAA, PCI-DSS, SOC 2, NIST, ISO, and CMMC?
Yes. OC Security Audit helps businesses understand technical and administrative security gaps related to HIPAA, PCI-DSS, SOC 2, NIST Cybersecurity Framework, ISO/IEC 27000, and CMMC 2.0 readiness.
Do you review Microsoft 365 and Azure security?
Yes. We can review Microsoft 365, email security, MFA, Conditional Access, administrator roles, sharing controls, mailbox forwarding rules, audit logs, Azure configuration, and cloud security settings.
What will we receive after an assessment?
You can receive a risk summary, technical findings, business impact notes, prioritized remediation recommendations, and a roadmap that explains what should be addressed first.
Build a Stronger, Safer, Better-Documented IT Environment
Protect your network, secure your data, reduce ransomware risk, strengthen access control, and prepare for compliance with practical cybersecurity support from OC Security Audit.
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