
In the ever-evolving digital world, keeping data safe isn’t just recommended—it’s essential. I recently had the opportunity to sit down with Lydia Harris, a seasoned IT security consultant who specialises in accounting software security. Our conversation revolved around the critical security measures businesses should implement to keep their financial data safe, with a particular emphasis on encryption. Here’s what she had to say.
“As someone who’s been in the trenches of IT security, I view encryption as your data’s invisible cloak,” Lydia began. “It’s like turning your financial info into a scrambled secret message that only authorised eyes can read. This is crucial for data protection.”
She explained that encryption is not just about safeguarding data from prying eyes; it’s about maintaining the integrity and confidentiality of sensitive information. “Think about it,” she said, “unencrypted data is an open invitation for cybercriminals. It’s like leaving your house with the door wide open.”
Data encryption is vital both at rest and in transit. “Data at rest is like your information sitting in a vault—it needs to be secure when static,” Lydia pointed out. “This means using full-disk encryption or encrypted cloud storage services. And when data is in transit, say, as it travels across the internet, it should be protected with secure protocols like HTTPS or using a VPN for remote access.”
I asked Lydia about the broader landscape of cybersecurity in accounting software. She noted that while encryption is a cornerstone, it’s just one part of a comprehensive security strategy. “Implementing strong password policies and Multi-Factor Authentication (MFA) are foundational steps,” she said. “MFA acts like a bouncer for your passwords, ensuring that even if someone cracks your password, they can’t access your data without an additional verification step.”
Lydia recounted a story of a client whose business was nearly brought to its knees by a cyberattack due to weak password practices. “They were using ‘password123’ for their accounting software,” she said with a sigh. “We had to overhaul their entire password policy, enforcing stronger, more complex passwords and setting up MFA. It was a wake-up call for them.”
Another area Lydia emphasised was the importance of regular software updates. “Those pesky updates we all love to ignore? They’re often patching up security holes,” she explained. “In 2017, the WannaCry ransomware attack exploited vulnerabilities in outdated systems. Businesses that hadn’t updated their software suffered massive disruptions and financial losses.”
She also highlighted the role of employee training in maintaining data security. “Your team is your first line of defence,” Lydia noted. “Regular training sessions on spotting phishing attempts and handling sensitive data can prevent many breaches. It’s not about making them paranoid, but informed and cautious.”
When it comes to access control, Lydia stressed the principle of least privilege. “Not everyone needs access to every piece of data,” she said. “It’s like having keys to different rooms in a house. You wouldn’t give a guest free rein to your entire home, would you?”
Our conversation moved to the importance of regular data backups. “Think of them as your digital insurance policy,” she advised. “Follow the 3-2-1 rule: three copies of your data, on two different types of media, with one copy off-site. And don’t forget to encrypt your backups!”
Lydia also touched on the evolving threats in the cybersecurity landscape, such as the manipulation of financial transactions and the risks posed by IoT devices. “These threats are real and growing,” she warned. “It’s why a proactive approach, including regular security audits and the use of intrusion detection systems, is crucial.”
Finally, Lydia spoke about the Zero Trust Architecture. “It’s the ultimate ‘never trust, always verify’ approach,” she explained. “Every access request, whether internal or external, must be authenticated and authorised. It’s like having a security guard at every door, not just the main entrance.”
As our conversation wrapped up, Lydia left me with a thought that resonated deeply. “Securing your financial data is non-negotiable,” she said. “The cost of implementing these security measures is a fraction of what a data breach could cost you in terms of dollars, reputation, and trust.”
In a world where cyber threats are becoming increasingly sophisticated, Lydia’s insights are a timely reminder of the importance of vigilance and robust security practices. Whether you’re a small business owner or a CFO, the principles remain the same: protect, educate, and adapt.
By Rhoda Pope