Cybersecurity can make or break customer trust, particularly for community banks and credit unions. One incident can disrupt access to financial services and cause losses that harm a financial institution’s reputation.
As AI, Cybercrime-as-a-Service models, and social engineering tactics increase the speed and sophistication of cyber threats, risks become harder to detect and prevent. Prioritizing resilience in your cybersecurity strategy helps you build a response plan to resolve cybersecurity incidents faster and recover with less downtime. Partnerships with cybersecurity providers allow leaders to scale their team and expertise to address concerns in real time without impacting headcount.
See how financial institutions like yours are prioritizing cybersecurity
Key Takeaways
- Cybersecurity is an enterprise risk: A cyber incident can disrupt operations, damage reputation, trigger regulatory scrutiny, and erode account holder trust.
- AI is raising the stakes: Bad actors are using AI to make phishing, impersonation, deepfake fraud, and vulnerability discovery faster and more convincing.
- The fundamentals are still essential: Industry-standard cybersecurity measures like patching, multi-factor authentication, and segmentation are a crucial layer of cyberthreat prevention. People-centered solutions like employee training and response planning also remain critical.
- Resilience creates confidence to move forward: Financial institutions that can detect and resolve security issues quickly and without sacrificing customer trust are better positioned to modernize with confidence.
- Specialized expertise helps: Managed services let lean teams extend cybersecurity, compliance, and response capacity without adding headcount.
Why Cybersecurity Is a Business Priority in 2026
For community banks and credit unions, cybersecurity in 2026 and beyond boils down to the fact that cyber hackers are moving faster. Every institution needs the right controls, visibility, partners, and response plans to reduce risk for the banking industry and the consumers and businesses who rely on them.
The potential business impact of one cyber incident across operations, customer experience, risk management, and growth makes cybersecurity a top banking priority, rather than just a technology issue. The urgency has only increased with time. The FBI’s 2025 Internet Crime Report found that cyber-enabled crime cost Americans nearly $21 billion in reported losses.
Smaller financial institutions can be especially attractive targets. They have valuable data and financial assets, but many operate with lean teams and fewer resources than larger banks. For hackers, those factors translate to a high-value target with a lower risk of being caught immediately. Regulatory expectations are also increasing, with agencies emphasizing governance, incident reporting, vendor oversight, and frameworks such as NIST Cybersecurity Framework 2.0.
Most community banks and credit unions know what it takes to reinforce their cybersecurity defenses; the difficult part is finding a way to meet those high standards consistently without a major headcount increase.
The Danger of AI-Enhanced Cyber Threats
Overall, most cyberattacks are the same types of attacks you’ve been fighting off for years, like ransomware, phishing, and malware. The biggest change is actually the scale of the attacks and how quickly they can escalate, thanks to new technology.
The rise of artificial intelligence (AI) is helping cybercriminals become more sophisticated in their attacks. In fact, AI-enhanced social engineering emerged as one of the leading cybersecurity concerns in CSI’s 2026 Banking Priorities Executive Report.
AI speeds up potential hackers’ work in a few ways:
- Writing cleaner phishing emails with good grammar and realistic requests
- Creating deepfake audio or video of someone the target feels compelled to listen to or help
- Scanning for weaknesses
- Building malware
- Tailoring messages to specific people or roles
As a result, older warning signs are less dependable. A suspicious email may not be filled with typos. An odd phone call may have a familiar voice. A fake vendor request may include real business details. Verizon’s 2026 Data Breach Investigations Report points to the growing role of AI and software vulnerabilities in attacks. Training is still important, but employees can’t be the only line of defense. Financial institutions need layered defenses that assume someone may eventually be misled by a hacker.
AI is helping cyberthieves perfect their approach, making the usual giveaways of phishing emails, fake phone calls, and other classic hacking methods harder to detect.
Four Risks That Deserve Executive Attention—And How To Address Them
The threat landscape is broad, but four risks should remain high on the executive agenda because they can disrupt operations, expose data, increase fraud losses, and weaken account holder trust.
1. Ransomware and data extortion
Ransomware stops business on a dime. Attackers often steal data before encrypting systems, then threaten to publish, sell, or misuse it. Some groups may also manipulate or corrupt records. Leaders need to have confidence that they can restore systems quickly—and trust the restored data.
Key defenses include offline and tested backups, recovery drills, faster patching, network segmentation, least-privilege access, endpoint monitoring, and incident response exercises.
2. AI-enabled social engineering
Many cyber incidents still start with a human action: an employee clicks a link, approves a payment, shares a code, or responds to a request that appears urgent and legitimate. AI makes those moments harder to judge.
Phishing, phone scams, and text scams remain common, but AI has made them more polished and personal. FinCEN has warned financial institutions about a rise in fraud schemes involving deepfake media, including attempts to bypass identity verification and authentication controls. For banks and credit unions, that risk can show up in several ways, from business email compromise and fake authorization requests to account takeover attempts, and digital payment fraud.
Key defenses include phishing-resistant multi-factor authentication (MFA), callback procedures for high-risk transactions, separate-channel verification for payment changes, fraud monitoring, employee training, and customer education. Training should be regularly scheduled and include examples of AI-generated fraud so that employees know what modern deception looks and sounds like.
3. Third-party and supply chain risk
Community banks and credit unions rely on core processors, digital banking platforms, payment processors, and many other third parties to effectively provide modern services to their customers. Those relationships improve efficiency, but they also expose the financial institution to risk through those third-parties’ networks. For example, the Marquis Software Solutions ransomware incident affected more than 820,000 customers across at least 80 financial institutions. The fallout remains a cautionary tale about how much access third parties have to sensitive data or critical systems.
Key defenses include a current vendor inventory, risk ranking, limited access, MFA, segmented vendor connections, stronger contract language, and vendor scenarios in incident response plans. Third-party risk management should be continuous, not a once-a-year checklist.
4. Nation-state and geopolitical threats
Smaller financial institutions may not see themselves as likely targets, but that assumption can leave gaps. Symantec, a cybersecurity firm, reported that nearly half of the threats it encounters are believed to originate from nation-state actors, with small– and medium-sized businesses (SMBs) becoming frequent victims. For nation-state hackers, both SMBs and financial institutions represent entry points into larger networks.
Community banks and credit unions can become targets because of the customers they serve, including municipalities, healthcare organizations, schools, utilities, local businesses, defense contractors, and critical infrastructure providers. Threat intelligence from CISA, FinCEN, FDIC ITSU, and industry partners can help institutions recognize emerging risks earlier.
Key defenses include faster patching of internet-facing systems, stronger privileged access controls, intrusion detection, endpoint monitoring, network behavior monitoring, threat intelligence sharing, and incident response drills that test how teams would handle complex attacks.
Resilience Over Perfection in Cybersecurity
No cybersecurity program can prevent every attack. That’s not a realistic standard for how quickly cyberthieves’ tools are progressing.
Resilience in the event of a cyber incident is far more valuable. For bank and credit union leaders, resilience can look like backing up data, running test scenarios of an incident response plan, and setting controls to lock hackers out of other systems once a breach is detected. Bank and credit union leaders should be able to answer questions like these:
- Can we detect unusual activity early?
- Can we contain the damage?
- Can we keep essential services running?
- Has our recovery plan been tested and found reliable?
- Can we trust the restored data?
- Can we communicate to our customers or members with confidence?
- Have we tightened access controls enough, and can we prove that our controls work?
- Do we have the resources and people power to recover quickly?
- Does our staff know our cyber incident response plan and their role in it?
Prioritize knowing these answers and actively gaining ground in areas where your financial institution is lacking resilience. Preparation for quick, reliable recovery positions your cyber defense plan to protect your most valuable relationships: your customers and your industry partners.
Building Confidence Against Cyber Threats
Confidence against cyber threats doesn’t mean eliminating risk altogether. What it does mean is being exceptionally prepared for a breach of your systems. Managed cybersecurity and cybersecurity compliance services can help close your cybersecurity talent gap, without shifting control away from your institution.
Your goal as a financial institution is to have as little friction in your response as possible, so you can reduce disruption to customers and partners, avoid as much loss of data and funds as possible, and quickly get your systems online at their minimum viable capacity. Aiming for resilience against cyber threats protects not only your institution, but also your partners and customers.
For more information, watch the CSI on-demand webinar The Threat Landscape: Cybersecurity and Risks to Financial Institutions.
Watch the on-demand webinar
Sean Darragh, Chief Information Security Officer
Sean Darragh is the Chief Information Security Officer at CSI, where he leads data security strategy and enterprise technology initiatives. With more than 20 years of experience in the financial services sector, Sean is a seasoned IT and security professional with a diverse background spanning information security, risk management and operational leadership across multiple organizations.