Safeguarding client information comes down to layering the right controls so financial data stays protected whether it is stored, moving between systems, or in active use. The core best practices for financial data protection are:
- Encrypt data at rest, in transit, and in use.
- Require multi-factor authentication and strong passwords.
- Limit access with role-based, least-privilege permissions.
- Back up client data with a 3-2-1 strategy.
- Monitor systems and user activity continuously.
- Build and test an incident response plan.
- Manage third-party and vendor risk.
- Train staff to recognize threats.
At CMIT Solutions, our security-first approach to financial data protection helps banks, credit unions, accounting practices, and financial advisers put these controls in place and keep them working as risks change. With more than 30 years of experience and locally delivered support backed by a nationwide network of technology and cybersecurity specialists, we help financial firms protect what their clients trust them with.
See how our IT solutions for financial services help protect client data from end to end.
Financial data protection best practices that safeguard client information
For financial firms, one weak control can expose client data, so strong protection is not a single tool but a set of layered controls built in by design rather than bolted on after an incident. The practices below map to widely adopted standards such as the NIST Cybersecurity Framework, and each one closes a common gap that attackers and simple human error tend to exploit.
Encrypt data at rest, in transit, and in use
Encryption scrambles client data so it stays unreadable without the right key. It protects information whether it sits on a server, moves across a network, or is in active use, which makes stolen data far less useful to an attacker.
Require multi-factor authentication and strong passwords
Multi-factor authentication (MFA) requires a second proof of identity beyond a password, such as a code or a fingerprint. It shuts down most attacks that rely on stolen or guessed credentials, which are among the most common ways attackers break in.
Limit access with role-based, least-privilege permissions
Least-privilege access means each person can reach only the data their job requires, and nothing more. If an account is compromised, this limits how far an attacker can move and how much client information is exposed.
Back up client data with a 3-2-1 strategy
A 3-2-1 backup keeps three copies of your data on two types of media, with one copy stored offsite or in the cloud. If ransomware or hardware failure hits, clean backups let you restore client records quickly and keep operating.
Monitor systems and user activity continuously
Continuous monitoring watches systems and accounts for unusual behavior so threats are caught early rather than after data is gone. Watching privileged accounts and anyone who can reach sensitive records is especially important, since these are the highest-value targets.
Build and test an incident response plan
An incident response plan sets out who acts, what steps they take, and who gets notified the moment a breach is suspected. Testing the plan before you need it turns a chaotic scramble into a practiced routine that limits damage.
Manage third-party and vendor risk
Vendors, payment processors, and software providers often touch client data, so their weaknesses become yours. Vetting partners, spelling out security expectations in contracts, and monitoring their access all reduce the risk that a third party opens a door to your data.
Train staff to recognize threats
Many breaches start with a person rather than a system flaw, often through phishing or a careless click. Regular training and realistic test drills help staff spot warning signs and report them fast, turning your team into a first line of defense.
Layering these controls takes planning and upkeep, which is where a security-first partner earns its keep. CMIT Solutions designs, monitors, and manages these protections for financial firms, so security is built in by default and stays consistent as the business grows.
What counts as sensitive financial client data
Sensitive financial client data is any information that could be used to access accounts, steal an identity, or commit fraud. Because you cannot protect what you have not identified, the most commonly held types include:
- Personal identifiers, such as names, addresses, Social Security numbers, and dates of birth.
- Account data, including account numbers, balances, and transaction histories.
- Payment card information, such as card numbers and security codes.
- Authentication details, like usernames, passwords, and biometric data.
- Credit and lending records, including credit reports, scores, and loan files.
- Internal financial records, such as statements, tax documents, and business financials.
Each type carries its own risk, and CMIT Solutions helps financial firms map what they hold and match layered protection to the sensitivity of each record.
Financial data protection regulations that apply to your firm
Financial firms must protect client data under a growing web of overlapping laws and standards, and falling short can bring fines, audits, and lost trust. The table below maps the main rules to who they cover and what they require.
| Regulation or standard | Who it typically covers | Core data-protection expectation |
| GLBA and the FTC Safeguards Rule | Non-bank financial institutions, including lenders, mortgage brokers, tax preparers, and many advisers | Maintain a written information security program that protects customer information |
| SEC Regulation S-P | Broker-dealers, investment companies, and SEC-registered investment advisers | Safeguard customer records and, under recent amendments, run an incident response program and notify affected clients of certain breaches |
| FINRA rules | Broker-dealers and their registered representatives | Supervise and protect customer data as part of required cybersecurity and recordkeeping controls |
| FFIEC guidance | Banks, credit unions, and the examiners who oversee them | Follow examination guidance that defines expected cybersecurity and data-protection controls |
| PCI DSS | Any firm that stores, processes, or transmits payment card data | Encrypt cardholder data, segment networks, control access, and monitor activity |
| Sarbanes-Oxley Act (SOX) | Publicly traded companies | Maintain internal controls, including IT controls, that protect the integrity of financial reporting data |
| State privacy and breach-notification laws | Firms based on where they operate and where their clients live | Maintain reasonable safeguards and notify affected people and regulators after a breach |
For many non-bank financial businesses, the FTC Safeguards Rule sets the baseline. It requires a written information security program with nine elements, including a designated Qualified Individual, risk assessments, encryption, multi-factor authentication, and a written incident response plan.
Recent amendments also require covered firms to report certain breaches. If unencrypted data for at least 500 customers is exposed, the firm must notify the FTC within 30 days of discovering the event.
Keeping up with rules that change and overlap is a heavy lift for a small team. As trusted technology advisors, CMIT Solutions gives financial firms cybersecurity-informed guidance to align their controls with these requirements, so compliance and protection move together.
Firms that also serve government or defense clients can meet federal requirements with our CMMC compliance services.
Common threats to client financial information
Financial firms face a mix of outside attacks and inside mistakes, and many breaches combine more than one of them. The threats most likely to expose client data include:
- Phishing and social engineering, where attackers trick staff into handing over credentials or clicking malicious links.
- Ransomware, which locks up systems and data until a payment is made, often halting operations for days.
- Stolen or weak credentials, which give attackers a quiet way into accounts and systems.
- Insider mistakes and misuse, such as sending data to the wrong person or ignoring security rules.
- Unsecured third-party and vendor connections, which extend your risk to partners you do not directly control.
- Unencrypted data, which turns a lost laptop or intercepted file into a full exposure.
Because these threats keep shifting, CMIT Solutions provides continuous monitoring that helps prevent, detect, and respond to attacks as they evolve, so financial firms are never left guarding a moving target alone.
💡 Additional reading: wire fraud prevention
How a data breach can unfold at a small financial firm
To see why layered protection matters, it helps to walk through how a breach can spread at a small or mid-sized financial firm, turning one mistake into lost data and days of downtime. The scenario below is hypothetical, but each stage shows a gap that stronger controls would have closed.
- A staff member at a small wealth advisory receives an email that looks like it comes from a custodian and enters their login on a fake page. The credentials are now in an attacker’s hands.
- Because the account had no multi-factor authentication, the attacker logs in during off hours and moves quietly through shared drives. Weak access controls let them reach client tax records and account statements.
- The attacker copies the files and plants ransomware, which encrypts the firm’s systems the next morning. Staff arrives to locked machines and a ransom demand.
- With no tested backups, the firm cannot restore records fast, and with no incident response plan, no one is sure who to call or which clients to notify.
- Weeks later, the firm faces regulatory reporting duties, client notifications, and lasting damage to its reputation.
Every step in this story maps to a control we covered earlier, from MFA to tested backups. As a managed IT partner, CMIT Solutions builds those layers in by design and pairs continuous monitoring with backup and recovery for business continuity, so a single slip does not turn into a full breach.
Estimate what an outage like this could cost your firm with our IT downtime calculator.
Where small and mid-sized financial firms fall short
Smaller financial firms often care deeply about security but lack the staff, time, and tools that larger institutions take for granted, and those gaps tend to widen as the firm grows. That gap, not indifference, is where most weaknesses appear, and each practical shortfall below is fixable with the right support:
- Limited IT staff, which leaves security tasks half-finished or handled by people juggling other roles.
- Aging systems and software that no longer receive updates, creating openings attackers know how to find.
- Balancing security with day-to-day usability, since controls that slow people down often get bypassed.
- Scattered data across email, drives, and apps, which makes it hard to know what is stored and who can reach it.
- Vendor sprawl, where multiple providers touch client data and no one owns the overall risk.
None of these gaps require a large in-house team to close. CMIT Solutions pairs responsive local support, including on-site help when needed, with the strength of a nationwide team of specialists, so financial firms get enterprise-level protection sized to their business.
💡 Additional reading: cloud security financial services
Protect client trust with a security-first IT partner
Your clients trust you with their most sensitive information, and protecting it does not have to be complicated or fall on your shoulders alone. As your strategic, security-first technology advisor, CMIT Solutions designs, monitors, and manages the layered defenses that keep financial data safe, backed by more than 30 years of experience, responsive local support from a nationwide network of over 900 specialists, and 24/7 monitoring, so your firm can operate and grow with confidence.
We helped Optyx, a multi-location optical retailer, unify and secure its IT across every location with consistent, protected infrastructure. Our Optyx case study shows how a security-first approach keeps data safe as a business grows across sites.
Reach out through our contact page or call (800) 399-2648 for security-first IT support that keeps your clients’ financial data safe.
FAQs
What is the difference between data security and data privacy?
Data security is the set of controls that keep information safe from unauthorized access, such as encryption and access limits, while data privacy governs how you lawfully collect, use, and share that information. Financial firms need both, because strong security cannot make up for careless privacy practices or the reverse.
How much does financial data protection cost for a small business?
Financial data protection costs vary with your size, systems, and data sensitivity, but most small businesses spend far less than a single breach would cost them. Managed IT providers often bundle monitoring, backups, and support into a predictable monthly fee, which makes the expense easier to budget and plan around.
Is it safe to store client financial data in the cloud?
Yes, storing client financial data in the cloud is safe when it is set up correctly, since reputable platforms offer strong encryption, redundancy, and constant patching that often exceed on-site servers. The risk comes from misconfiguration and loose access, so proper setup, access controls, and monitoring keep cloud data protected.
How do we protect client data when employees work remotely?
Protect client data during remote work by extending the same controls beyond the office: secure or zero-trust access, multi-factor authentication, encrypted and patched devices, and least-privilege limits on what each person can reach. Clear remote-work policies help staff handle client information as carefully from home as in the office.
How long should financial firms keep client records before disposing of them?
Retention periods depend on the record type and the regulations your firm follows, and many financial records must be kept for several years. When data is no longer required, dispose of it securely by shredding paper and wiping or destroying drives, since holding it longer than needed widens your exposure.
