CPA firms hold a treasure trove of sensitive information, including client financial data, tax records, and Social Security numbers, making them an attractive target for cyberattacks. Cybercriminals can steal these sensitive information and use them for identity theft, tax fraud, and other malicious purposes. 

In this article, we’ll discuss the top data security threats facing CPA firms and provide countermeasures to help you protect your firm and your clients’ data.

Data Security Threat #1: Phishing

In a phishing attack, cybercriminals impersonate a reputable individual or company to trick victims into divulging sensitive information, such as login credentials and credit card numbers. Cybercriminals typically launch these attacks by sending emails or text messages that appear to come from a legitimate entity and include a malicious link. When victims click on the link, they are taken to a spoofed website where they are asked to enter their login credentials or other sensitive data.

To protect your CPA firm from phishing attacks, implement the following measures:

• Use email security solutions to identify and block suspicious emails from reaching your employees’ inboxes.
• Before clicking on links in emails, hover over them to ensure they lead to trustworthy websites.

• When in doubt, verify the email, links, or attachments directly with the sender.

Data Security Threat #2: Unsecure Remote Access

Like organizations in other industries, many CPA firms have shifted to a remote or hybrid work environment in recent years. However, if remote access to a firm’s networks and data is not properly secured, it can create a vulnerability that cybercriminals could exploit to launch attacks. 

Here are some tips for securing your remote workspace:

• Implement a remote work policy that includes security guidelines for employees. The policy should outline the requirements for working remotely, such as using strong passwords, enabling multifactor authentication, and keeping devices up to date.
• Provide employees with the tools and resources to protect their devices and data, including antivirus software. 
• Monitor employee activity for suspicious behavior to identify potential security incidents early on.

Data Security Threat #3: Lack of Encryption

Using encryption is a crucial step in protecting sensitive data and preventing attacks. When data is encrypted, it is scrambled so that it cannot be read by unauthorized entities. Failing to secure data during transmission and storage leaves it vulnerable to unauthorized access.

Follow these tips to properly encrypting data:

• Implement a comprehensive data encryption strategy that identifies all sensitive data that needs to be encrypted, as well as the encryption methods and technologies that will be used.
• Educate employees on why encryption is important and how to use it properly.
• Encrypt your devices and storage media, including computers, smartphones, and external hard drives.
• Use encrypted file sharing solutions for sensitive documents instead of regular email. 
• When visiting a website, check the address bar to make sure that the URL starts with “https://” and that there is a padlock icon next to it. This indicates that the website is encrypted to protect your data. 

Data Security Threat #4: Inconsistent Security Awareness Training

Employees are your first line of defense against cyberattacks, so it’s crucial to provide them with regular security awareness training. Cybersecurity is an ever-evolving field, so your training should be updated regularly to keep your staff up to date on the latest security threats and best practices.

To conduct effective security awareness training, follow these tips:

• Tailor your training to the specific needs of your firm and your employees. Employees in high-risk roles may need more specialized training.
• Use various training methods, such as lectures, workshops, and simulations, to keep employees engaged and informed.
• Require all employees to attend regular security awareness training sessions.
• Conduct surveys or quizzes to assess employees’ knowledge and skills and help identify areas where they may need additional training. 

Data Security Threat #5: Third-Party Vulnerabilities

CPA firms often rely on third-party vendors for software, hardware, and other services. If these vendors have security vulnerabilities, your firm could be at risk.

Here are some tips for managing third-party risks:

• Perform due diligence on all third-party vendors before signing any contracts. This includes reviewing their security posture, compliance with industry standards, and history of security incidents.
• Require all third-party vendors to sign a security agreement that outlines your expectations in terms of their security protocols. This agreement should include requirements for data security, access control, and incident response.
• Conduct regular security audits of third-party vendors. This will help you spot any security vulnerabilities and take steps to address them.  

By following the tips above, you can help protect your CPA firm and your clients’ data from the top five data security threats. It’s also important to regularly review and update your security measures to keep your firm’s security posture strong against evolving threats.

To keep your cyber defenses strong at all times, turn to the IT experts at AllConnected. Schedule an appointment with us.