1. Managed Detection & Response (MDR): Your Firm’s 24/7 Cyber Defense Layer
What MDR Actually Does (in practical CPA terms)
- 24/7 Monitoring by a Dedicated SOC Team. A professional Security Operations Center continuously watches your environment for suspicious activity, ensuring threats are detected even outside business hours.
- Proactive Threat Hunting. Human analysts look for early warning signs—unusual logins, unexpected data movement, or access attempts in tax workflow areas.
- Rapid Containment & Remediation. If a threat surfaces, MDR can isolate affected devices instantly, stopping ransomware or data theft before it spreads.
Expert-Recommended MDR Tools
Premium, High-Reliability MDR Solutions
- CrowdStrike Falcon Complete — Market leader in threat detection and ransomware prevention
- Arctic Wolf MDR — SOC-as-a-Service with strong support for small and mid-sized CPA firms
- Sophos Managed Threat Response (MTR) — Robust protection with excellent value for remote and hybrid teams
Budget-Friendly / Entry-Level Alternatives
(These improve security but do not replace full MDR.)
- Microsoft Defender for Business
- Bitdefender GravityZone
- Malwarebytes EDR
How CPA Firms Should Choose the Right MDR Solution
2. Zero Trust Architecture (ZTA): Modern Access Control for a High-Risk Tax Season
What Zero Trust Actually Does (in practical CPA terms)
ZTA prevents attackers from moving laterally inside your network — even if they steal a password. This is why Zero Trust is one of the most effective frameworks for preventing client data breaches and securing remote access for growing firms.
- Enforces Strict Identity Verification for Every Login. Every sign-in must pass multiple checks—password, device health, location, and MFA—significantly reducing credential-theft risk.
- Limits Access on a Need-to-Know Basis. Seasonal staff, junior accountants, and remote contractors only get access to specific folders, apps, or client groups—not the entire system.
- Blocks Lateral Movement of Ransomware or Attackers. Even if a hacker compromises one device, Zero Trust prevents them from jumping to other systems or client data.
- Adapts to Risky Behavior in Real Time. Suspicious login patterns (e.g., midnight logins, foreign IPs, unknown devices) trigger automatic restrictions or full lockouts.
Expert-Recommended Zero Trust Tools
Enterprise-Grade Zero Trust Solutions
- Duo Security (Cisco) — Most popular Zero Trust + MFA solution among CPA firms
- Okta Identity Cloud — Strong for multi-office firms with complex access needs
- Azure AD Conditional Access — Ideal for firms already using Microsoft 365
Low-Cost / Entry-Level Zero Trust Options
(These offer partial Zero Trust benefits.)
- Google Advanced Protection
- LastPass MFA (starter edition)
- Microsoft Authenticator + Conditional Access basic rules
How CPA Firms Should Choose the Right Zero Trust Solution
- CCH Axcess
- Thomson Reuters products
- QuickBooks Online
- Practice management portals
- Document exchange platforms
- Client group
- Job role
- Department
- Engagement type
This is essential for seasonal and offshore teams.
Want to strengthen your firm’s cybersecurity
and capacity before Tax Season?
Unison Globus can help.
3. Advanced Cloud Access Security: Protecting Remote, Hybrid & Seasonal Teams
As CPA firms expand remote work and seasonal hiring, cloud access has become one of the most exploited attack vectors. Most successful breaches in the accounting sector now involve compromised credentials, unsecured remote devices, or unmonitored cloud access.
This is why cloud access security is considered a core part of modern CPA firm cybersecurity investments.
What Advanced Cloud Access Security Actually Does (in practical CPA terms)
- Monitors and Controls Access Across All Cloud Apps. Tracks every user’s activity across portals, file-sharing platforms, email, tax software, and document systems—flagging or blocking unusual behavior.
- Enforces Security on Remote and Personal Devices. Only compliant, secure, and updated devices can access client information—even if an employee uses a home laptop.
- Blocks Unapproved Apps and Shadow IT. Prevents staff from using risky file-sharing apps (e.g., Dropbox personal, WhatsApp, WeTransfer) to move client documents.
- Detects Abnormal Access Patterns in Real Time. Large late-night downloads, foreign IP logins, or repeated credential attempts trigger automatic alerts or lockouts.
- Protects Data Even if a Device Is Lost or Stolen. Admins can remotely wipe access tokens, block sessions, or disable app connections instantly.
Expert-Recommended Tools for Advanced Cloud Access Security
Enterprise-Grade Cloud Access Security Tools (CASB + Zero Trust + Monitoring)
- Microsoft Defender for Cloud Apps (CASB) — Best for firms on M365, deep visibility across cloud usage, excellent threat analytics
- Netskope Security Cloud — Powerful CASB and data-loss prevention, ideal for larger CPA firms with high data volume
- Zscaler Zero Trust Exchange — Strong for multi-office and offshore teams, excellent for securing remote access
Low-Cost / Lighter Alternatives
(Not full CASB, but improves cloud access control.)
- 1Password Business with SSO
- Google Endpoint Management
- Microsoft 365 Conditional Access (basic rules)
How CPA Firms Should Choose the Right Cloud Access Security Solution
- Portals
- File-sharing systems
- Tax platforms
- Document storage
- Client communication apps
- Who downloaded what
- When
- From where
- On which device
This protects against accidental leaks and malicious insiders.
4. Data Encryption & Secure File Exchange: The Non-Negotiable Shield for Client Information
Client data — SSNs, W-2s, 1099s, payroll reports, bank statements — is the most valuable target for cybercriminals. Encryption is both a compliance expectation and a frontline defense in accounting firm data protection. IRS Publication 4557, the FTC Safeguards Rule, and several state privacy laws explicitly emphasize encryption as a foundational expectation for tax professionals.
During Tax Season, when document exchange volume explodes, encryption tools and secure portals prevent accidental leaks, malicious access, and email-based exposures. Strong encryption and secure file exchange tools ensure that even if data is intercepted, stolen, or accessed improperly, it remains unreadable and unusable.
What Data Encryption & Secure File Exchange Actually Do (in practical CPA terms)
- Encrypts Sensitive Data at Rest and in Transit. Files remain protected whether they’re stored on a laptop, uploaded to a portal, emailed, or moved across cloud systems.
- Protects Client Documents from Unauthorized Access. Even if a device is stolen, hacked, or compromised, encrypted files cannot be opened without the proper credentials.
- Replaces Email Attachments with Secure Client Portals. Tax season’s biggest leaks often originate from unencrypted PDF attachments sent via email.
- Ensures Compliance with IRS, FTC, and State Data Security Rules. Encryption is now a regulatory expectation for firms handling taxpayer data.
- Tracks and Logs Document Access for Audit Trails. Provides visibility into who accessed what, when, and from where—critical for compliance and cybersecurity insurance claims.
Expert-Recommended Encryption & Secure File Exchange Tools
Leading Secure File Exchange & Encryption Tools for CPA Firms
- Citrix ShareFile
- Most popular among CPA firms
- Easy client experience
- Strong encryption & access controls
- Liscio
- Combines secure messaging + file exchange
- Designed specifically for accountants
- Great for eliminating email
- Suralink
- Excellent for audit request lists
- Built for multi-round document exchange
- Provides strong logging & audit trails
- Adobe Acrobat Pro Encryption
- Useful for protecting individual PDFs
- Good for firm-level PDF workflows
Low-Cost / Built-In Encryption Options
(Not a replacement for secure portals, but helpful as part of a layered approach.)
- Windows BitLocker — full-disk encryption
- Mac FileVault — full-disk encryption
- Microsoft 365 Message Encryption — for secure email messages
- Google Workspace Trusted Tester Encryption — basic document protection
How CPA Firms Should Choose the Right Encryption & Secure File Exchange Solution
- UltraTax
- CCH Axcess
- Drake
- CaseWare
- QuickBooks
- Practice management systems
5. Incident Response & Business Continuity: Your Firm’s Survival Plan When (Not If) an Attack Happens
What Incident Response & Business Continuity Actually Do (in practical CPA terms)
- Provides a Clear, Predefined Response Workflow. Who does what? Which systems get shut down? Who contacts clients? IR plans answer all of this before chaos begins.
- Ensures Rapid Containment of Cyber Incidents. The firm can isolate infected devices, disable compromised accounts, and block malicious traffic immediately.
- Enables Fast Restoration of Systems and Data. Backups, redundancies, and failover systems get your tax and audit workflows running again with minimal downtime.
- Meets Legal, Insurance, and IRS Reporting Expectations. A well-documented IR plan helps fulfill FTC, IRS Pub 4557, and cyber insurance requirements.
- Guides Client Communication During a Crisis. Pre-approved templates and messaging prevent miscommunication and panic.
- Reduces Financial, Operational & Reputational Damage.
Firms with strong IR plans recover in hours.
Firms without them often lose weeks — and sometimes clients.
Expert-Recommended Tools for Incident Response Business Continuity
Enterprise-Grade Backup, Recovery & IR Tools
- Acronis Cyber Protect
- Backups + ransomware defense + rapid recovery
- Excellent for hybrid or remote work environments
- Datto SaaS Protection
- Protects Microsoft 365 + QuickBooks Online
- Strong continuity features
- Barracuda Backup
- Simple and reliable
- Good for small and mid-sized CPA firms
- Sophos Rapid Response
- On-demand IR team for active attacks
- Ideal if a firm has no internal security lead
Low-Cost / Helpful Alternatives
(Not full continuity solutions but valuable additions.)
- Backblaze — affordable cloud backup for desktops
- OneDrive / Google Drive version history — basic file recovery
- NIST Incident Response templates — free, high-quality IR frameworks
- IRS Security Summit checklists — helpful for tax-focused controls
How CPA Firms Should Choose the Right Incident Response & Continuity Solution
- Microsoft 365
- QuickBooks Online
- CCH Cloud
- Tax portals
These must be backed up too.
- IR procedures
- Backup frequency
- Multi-layer security controls
Failing this may impact claims.
Conclusion: Building a Future-Ready HNW Advisory Model
Strengthen your capacity without
compromising security.
Connect with Unison Globus to get started.

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