Corona · Riverside County, California

IT & WISP Support for CPA Firms in Corona, CA

Practical IT and Written Information Security Plan (WISP) implementation for accounting firms in Corona — built to what IRS Pub 4557 and the FTC Safeguards Rule actually require.

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Quick Answer

What does a Corona, CA CPA firm need under FTC Safeguards Rule and IRS Pub 4557?

A written WISP, MFA on every account that touches tax data, encryption on every device, secure file transfer, audit logging, security awareness training, and documented incident response. Solo CPAs and small firms are held to the same standard as 50-person practices. We draft the WISP and implement the controls behind it.

Why a local MSP in Corona

Corona's CPA community spans downtown professional offices and newer suites along Main Street and the 91 corridor, with many firms serving the cross-county client mix of Corona residents and Orange County commuters. The FTC Safeguards Rule applies regardless of firm size; IRS Publication 4557 enumerates the technical safeguards expected; PTIN renewal puts enforcement teeth behind both. A local MSP who can write the WISP, implement the controls, and stay reachable during tax-season deadlines is materially different from a national help desk.

How we help

What we deliver for Corona businesses.

Managed IT — Your Outsourced IT Department

Monthly managed IT with bilingual support and WISP documentation included.

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Security Baseline Assessment

Baseline mapped to IRS Pub 4557 and the Safeguards Rule.

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Microsoft 365 Setup, Security & Support

M365 with MFA, encryption, secure file transfer.

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Email Migration, Done Without the Downtime

Retire GoDaddy or Yahoo email — a real M365 tenant configured to your WISP.

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IT in Corona: the local picture

CPA firms in Corona share the profile we see across the IE: solo and small-firm sizes, mixed tax and bookkeeping work, a tax-prep platform stable for years, and a Microsoft 365 environment that started as personal mailboxes. The FTC Safeguards Rule (16 CFR 314, revised 2023) requires a Written Information Security Plan, a named security officer, MFA on accounts that access customer information, encryption at rest and in transit, and documented incident response. IRS Pub 4557 specifies the same expectations in IRS language, and PTIN renewal enforces both.

Practically, the work: MFA on the IRS e-services account and every M365 mailbox, encryption on every workstation and laptop, secure encrypted file transfer for client documents (not email PDFs), audit logging retained per malpractice-carrier expectations, real backup behind the tax-prep software database with quarterly tested restores. The WISP itself is a written document naming the security officer, describing the customer information being protected, listing the safeguards, and outlining the IR procedure. We draft it with you (in either language) and keep it current.

Why local matters for a Corona CPA firm: tax-season deadlines don't move because your workstation crashed the week of a filing, partners and clients are often bilingual, and a remote help desk operating English-only loses tickets in translation. We come to the Main Street office, walk through the stack, and produce the documentation the IRS or your carrier asks for. Free 30-minute call — bring your current WISP if you have one.

Corona, CA is in our 14-city core Inland Empire service area.
Bilingual EN/ES across the engagement.
IRS Pub 4557 and FTC Safeguards Rule baseline built into every CPA engagement.
Familiar with the tax-prep platforms most Inland Empire CPA firms run, and the workflow tools around them.