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Explore PCI: What You Need to Know...

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7 August 2025
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A user-friendly blog to help understand PCI compliance

Taking card payment security has never been more important; protecting cardholder data is necessary for legal compliance, and all businesses must prioritise following PCI DSS when taking card payments over the phone or online.

What is it?

An information security standard aimed at minimising payment card fraud by strengthening the security measures that protect cardholder data.

Why is it so important?

Having a secure and bulletproof PCI provider will boost customer satisfaction and trust. Our PCI providers at Silver Lining Convergence offer omnichannel solutions which ensures you’re covered wherever payment comes via SMS, webchat, emails, social media, etc.

There are many ways to take payments from customers, Digital payments being one of them. This includes engagement channels such as web chat, WhatsApp, social media, SMS and email.

This enhances the customer experience by offering them the option to use a preferred payment method. In 2022, Total Card Fraud increased by 6%, which underscores the need to ensure that your customers' cardholder data security is more important than ever.

How can we help...

  • Agent Assistance - Utilising an agent can enhance your customer service journey and overall experience. Agent assistance within PCI Compliance can introduce technology intercepts and mute keypad tones, providing companies with a secure way to handle card payments by phone.
  • IVR Payment - IVR stands for Interactive Voice Response. This enables your clients to make payments 24/7 without having to speak with a live agent. Online payments are handled through the cloud and can integrate with any existing systems you may already have, which makes the process seamless. IVR is a cost-effective method because it eliminates the need for an agent on the other end, allowing for increased efficiency.
  • Digital Payment - By sending the payment link to the customer's preferred channel, your agent can follow the customer's journey in real-time, ensuring they can assist the customer every step of the way and preventing any drop-off, resulting in an excellent customer and agent experience. When adopting an omnichannel approach, it means your agent can take payments seamlessly across multiple channels, ensuring the most suitable method for each customer.

How Silver Lining can help: With just a couple of clicks, you can fill out a form that will be sent to one of our experts, who will then be in touch with you. We are a Level 1 PCI DSS-certified Service Provider, ensuring you are in the best hands when choosing your PCI software.

Some of the PCI DSS Requirements

Use of firewalls

Firewalls act as the first line of defence between your internal systems and potential threats from the outside world. They monitor and control the incoming and outgoing traffic based on security rules set by your organisation.

In PCI DSS, having a properly configured firewall helps prevent unauthorised access to cardholder data and stops malicious traffic before it can cause harm. For businesses, this means ensuring that your internet connections and networks are protected by firewalls that are regularly reviewed and updated.

Secure password policies

Using default or weak passwords is like leaving your shop doors unlocked overnight, making you an easy target. PCI compliance requires businesses to enforce strong, unique passwords and change any default credentials that come with hardware or software.

Good password practices include:

  • Minimum length of 8 characters
  • A mix of letters, numbers, and symbols
  • Regular password updates (every 90 days, for example)
  • No password reuse
  • Multifactor authentication (MFA) for extra protection

Protecting stored cardholder data

Not all businesses need to store cardholder data, and if you don’t need it, it’s best not to store it at all. But if you do, PCI DSS outlines strict rules on how that data must be protected.

This includes:

  • Storing only essential data (never the whole card number, CVV, or magnetic stripe)
  • Encrypting stored data with strong encryption methods
  • Masking data so only authorised users see what’s needed
  • Limiting access to stored data strictly on a need-to-know basis

Encrypting transmission of cardholder data

Whenever cardholder data is sent over open or public networks (like the internet), it must be encrypted, which means turning it into a scrambled code that only authorised parties can read.

For example, when a customer enters their card details into a website, SSL/TLS encryption ensures that data is protected as it travels from their browser to your server.

This step is crucial to prevent criminals from intercepting sensitive information during transmission.

Regularly updating antivirus software

Cyber threats evolve constantly, and new malware is discovered almost daily. PCI DSS requires all businesses to install, maintain, and regularly update antivirus software to protect systems from viruses, spyware, ransomware, and other malicious attacks.

Antivirus software acts like a digital security guard, scanning devices for threats and blocking suspicious activity. It should also be:

  • Automatically updated with the latest definitions
  • Active on all systems that interact with cardholder data
  • Set up to alert IT teams of any potential breach or threat

Restricting access to cardholder data

Not everyone in your organisation needs access to cardholder data. In fact, PCI DSS promotes the principle of least privilege, meaning employees should only have access to the data necessary for their job.

This includes:

  • Role-based access controls (RBAC)
  • Unique user IDs for every employee
  • Logging access attempts to sensitive data
  • Regularly reviewing and removing unnecessary access
  • By limiting access, businesses reduce the risk of internal fraud

Monitoring and testing networks

PCI compliance isn’t just a “set it and forget it” process; it requires ongoing monitoring and testing to catch vulnerabilities before they become problems.

All of these are something we can take care of at Silver Lining Convergence.

Monitoring includes:

  • Logging all system activity
  • Tracking who accesses cardholder data and when
  • Using intrusion detection/prevention systems (IDS/IPS)

Testing includes:

  • Regular vulnerability scans
  • Penetration testing (simulating a real attack)
  • Reviewing and patching weaknesses found during these tests

Consequences of Non-Compliance

  • Hefty fines from payment providers
  • Legal repercussions
  • Damage to business reputation
  • Loss of customer trust
  • Suspension of payment processing capabilities

A real-life example - TJX Companies:

Common PCI misconceptions

  • “Only large companies need to comply.”
  • “Using a third-party payment processor means I don’t need to worry about compliance.”
  • “PCI compliance is a one-time job.”

Benefits Beyond Compliance

  • Enhancing brand reputation
  • Reducing the chance of data breaches
  • Improving internal processes and security awareness
  • Gaining a competitive advantage over non-compliant businesses

Steps to Becoming PCI Compliant

  1. Identify how you handle and store cardholder data.
  2. Choose a PCI DSS-compliant service provider - RevoPCI
  3. Conduct regular vulnerability scans.
  4. Train staff on security practices.
  5. Maintain records and be audit-ready.

Educating Your Team

Ensuring that employees who handle payment data are appropriately trained. This training could include areas like;

  • Recognising phishing attempts
  • Understanding secure handling of payment info
  • Knowing what to do if a data breach is suspected

Get PCI Compliant today!

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