Tax season doesn’t just bring deadlines—it brings risk.
For CPA and accounting firms across Philadelphia, South Jersey, and Delaware, the combination of high client data volume, tight timelines, and increased remote access creates the perfect opportunity for cyber incidents.
And the reality is, most firms don’t have obvious security failures—they have small gaps that quietly build into bigger problems.
Why CPA Firms in the Greater Philadelphia Area Are Being Targeted
Accounting firms are a prime target because of the data they hold:
- Social Security numbers
- Financial records
- Business tax filings
- Banking information
Attackers don’t need to “break in” dramatically. Often, they:
- Access an unprotected Microsoft 365 account
- Exploit weak passwords or lack of MFA
- Use phishing emails during busy filing periods
- Take advantage of outdated backups
For firms in busy markets like Philadelphia and surrounding areas, these risks increase during peak workload periods when teams are stretched thin.
The Most Common Cybersecurity Gaps We See in CPA Firms
After working with firms throughout the region, a few issues come up again and again:
1. Microsoft 365 Isn’t Fully Secured
Most firms assume it’s protected out of the box—it’s not.
Missing configurations like:
- Multi-factor authentication (MFA)
- Conditional access policies
- Email filtering protections
…leave accounts exposed.
2. Backups That Don’t Actually Protect You
Many firms rely on basic cloud backups without realizing:
- They may not cover ransomware events
- Recovery times may be too slow during tax season
- Data retention may not meet compliance expectations
3. Remote Work Introduced New Risks
With staff working from home or on the go:
- Personal devices are often unsecured
- VPN usage is inconsistent
- Access controls are too broad
4. No Ongoing Security Monitoring
Most small and mid-sized CPA firms don’t have:
- 24/7 threat monitoring
- Alert response processes
- Visibility into suspicious activity
That means issues often go unnoticed until damage is already done.
What This Means for Compliance and Client Trust
For firms in Pennsylvania, New Jersey, and Delaware, cybersecurity isn’t just about IT—it’s about:
- Protecting client relationships
- Meeting regulatory expectations
- Avoiding costly downtime during peak seasons
Even a small incident can lead to:
- Missed filing deadlines
- Data exposure concerns
- Reputation damage
A Smarter Approach: Start With a Simple Self-Assessment
Most firms don’t need to overhaul everything overnight—they need clarity.
That starts with identifying where the gaps actually are.
We put together a 28-Point Cybersecurity & Data Protection Checklist for CPA Firms to help firms in the Greater Philadelphia area:
- Evaluate their current security posture
- Identify hidden risks
- Understand where improvements matter most
It’s designed as a quick, practical self-assessment—not a technical deep dive.
👉 Download the checklist here- https://www.ironsideit.com/28-point-cybersecurity-checklist-for-cpa-firms/
What Happens After the Checklist
Once you’ve gone through it, most firms fall into one of three categories:
- Everything looks solid, with a few minor improvements needed
- There are noticeable gaps that should be addressed soon
- There are critical risks that need immediate attention
If you’re unsure how to interpret your results, we offer a CPA Firm Cybersecurity & Compliance Checkup to walk through everything with you and prioritize next steps.
No pressure—just clarity on where you stand.
Final Thought
Cybersecurity issues rarely start as major failures—they start as overlooked details.
For CPA firms in Philadelphia, South Jersey, and Delaware, taking a proactive approach now is far easier than dealing with an incident during tax season.
