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How PCI DSS 4.0 Improves Your Security Posture

April 11, 2024
4
 Min Read
Compliance

The Payment Card Industry Data Security Standard (PCI DSS) sets the bar for organizations handling cardholder information - any business that stores, processes, or transmits cardholder data. With the release of version 4.0, there are significant changes on the horizon. 

Staying compliant with industry standards is crucial, especially when it comes to protecting sensitive payment card data.

In this blog, we will explore how PCI DSS can enhance your security posture by establishing a continuous process to secure cardholder data.

Understanding PCI DSS v4.0

PCI DSS v4.0 brings several notable updates, emphasizing a more comprehensive and risk-based approach to data security. Companies in the payment card ecosystem must take note of these changes to ensure they remain compliant and resilient against evolving threats.

Increased Focus on Cloud and Service Providers

One of the key highlights of PCI DSS v4.0 is its focus on cloud environments and third-party service providers. As more businesses leverage cloud services for storing and processing payment data, it's imperative to extend security controls to these environments.

Expanded Scope of Requirements

With the proliferation of digital transactions, PCI DSS v4.0 expands the scope of requirements to address emerging technologies and evolving threats. The standard now covers a broader range of systems, applications, and processes involved in payment card transactions.

Emphasis on Risk-Based Approach

Recognizing that not all security threats are created equal, PCI DSS v4.0 places a greater emphasis on a risk-based approach to security. Organizations should assess risks systematically and prioritize security measures based on potential impact and likelihood of occurrence.

Enhanced Focus on Data Protection

From encryption and access control to data retention policies, organizations are expected to implement robust measures to prevent unauthorized access and data breaches. This will help mitigate the risk of data theft and ensure compliance with regulatory standards.

New PCI DSS 4.0 Release Implementation by March 2025

Out of the 64 of the new requirements, 51 are future dated due to their complexity and/or cost of implementation. This is relevant and important for any business that stores, processes or transmits cardholder data.

Further, it is crucial to focus on establishing a continuous process:

  • Automated log analysis for threat detection (Req: 10.4.1.1)
  • On-going review of access to sensitive data (Req: 7.2.4)
  • Detection of stored PAN anywhere it is not expected (Req: 12.10.7)

How Sentra Helps Comply With PCI DSS 4.0

Below are a few examples of how Sentra can assist you in complying with PCI DSS 4.0 by continuously monitoring your environment for threats and vulnerabilities.

In today's threat landscape, security is an ongoing process. PCI DSS v4.0 emphasizes the importance of continuous monitoring and testing to detect and respond to security incidents in real-time. By implementing automated monitoring tools and conducting regular security assessments, organizations can proactively identify vulnerabilities and address them before they are exploited by attackers.

PCI DSS 4.0 New Requirement How Sentra Solves It
10.4.1.1 Automated mechanisms are used to perform audit log reviews. Sentra's Data Detection and Response (DDR) module continuously monitors logs from sensitive data stores, identifying threats and anomalies in real time that may indicate potential data breaches or unauthorized access to sensitive data.

7.2.4 All user accounts and related access privileges, including third party/vendor accounts, are reviewed as follows:

  • At least once every six months.
  • Ensure user accounts and access remain appropriate based on job function.
  • Any inappropriate access is addressed.
  • Management acknowledges that access remains appropriate.
Sentra's Data Security Posture Management (DSPM) data access module frequently scans your sensitive data stores, mapping out the various identities with access to your data, including third-party entities, internal users, and applications. This aids in ensuring least privilege access and allows for the analysis of each identity's security posture through a risk-based approach.

12.10.7 Incident response procedures are in place, to be initiated upon the detection of stored PAN anywhere it is not expected, and include:

  • Determining what to do if PAN is discovered outside the CDE, including its retrieval, secure deletion, and/or migration into the currently defined CDE, as applicable.
  • Identifying whether sensitive authentication data is stored with PAN.
  • Determining where the account data came from and how it ended up where it was not expected.
  • Remediating data leaks or process gaps that resulted in the account data being where it was not expected.
Sentra's scanning and classification engine detects all types of sensitive data, including PII, digital identities, and financial data, especially PAN, across all your cloud accounts. It highlights potential "shadow data" suspected of being misplaced. Additionally, Sentra's DataTreks module tracks the movement of sensitive data across accounts, regions, and environments, helping you understand the root cause and take preventive steps.

Use Sentra's Reporting Capabilities to Adhere With PCI DSS

Here you can see a detected S3 bucket which contains credit card numbers and personal information which are not properly encrypted.

This is an example of how Sentra creates a threat in real time, detecting suspicious activity in a sensitive AWS S3 bucket.

In the dashboard below, you can see open security issues grouped by different compliances frameworks.

Proactive Integration of New Compliance Controls

Sentra remains vigilant in staying up to date with changes in PCI-DSS, GDPR, CCPA and other compliance frameworks. To ensure continuous compliance and security, Sentra actively monitors updates and integrates new controls as they become available. This proactive approach allows users to automate the validation process on an ongoing basis, ensuring that they always adhere to the latest standards and maintain a robust security posture.

Implementation Timeline and Best Practices

It's essential for relevant companies to understand the implementation timeline for PCI DSS v4.0. With a two-phase approach, certain requirements are future-dated due to their complexity or cost of implementation. However, it's crucial not to overlook these future requirements, as they will eventually become mandatory for compliance.

These requirements will be considered best practices until March 31, 2025, after which they will become obligatory. This transition period allows organizations to gradually adapt to the new standards while ensuring they meet current compliance requirements.

Conclusion

As the payment card industry continues to evolve, so must the security measures used to protect sensitive data. PCI DSS v4.0 represents a significant step forward in enhancing data security and resilience against emerging threats. Understanding the key changes and implementation timeline is crucial for companies to proactively adapt to the new standard and maintain compliance in an ever-changing regulatory landscape.

Sentra plays a pivotal role in this ongoing compliance effort. Its comprehensive features align closely with the requirements of PCI DSS v4.0, providing automated log analysis for threat detection, ongoing review of access to sensitive data, and detection of stored PAN outside expected locations. Through Sentra's Data Detection and Response (DDR) module, organizations can continuously monitor logs from sensitive data stores, identifying threats and anomalies in real-time, thus aiding in compliance with PCI DSS 4.0 requirements such as automated log reviews.

Furthermore, Sentra's Data Security and Posture Management (DSPM) module facilitates the review of user accounts and access privileges, ensuring that access remains appropriate based on job function and addressing any inappropriate access, in line with PCI DSS v4.0 requirements. In addition, Sentra's scanning and classification engine, coupled with its DataTreks module, assists in incident response procedures by detecting all types of sensitive data, including PAN, across cloud accounts and tracking the movement of sensitive data, aiding in the remediation of data leaks or process gaps.

By leveraging these capabilities, organizations can streamline their compliance efforts, mitigate risks, and maintain the security and integrity of cardholder data in accordance with PCI DSS v4.0 requirements.

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Meni is an experienced product manager and the former founder of Pixibots (A mobile applications studio). In the past 15 years, he gained expertise in various industries such as: e-commerce, cloud management, dev-tools, mobile games, and more. He is passionate about delivering high quality technical products, that are intuitive and easy to use.

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Ward Balcerzak
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Why I Joined Sentra: A Data Defender’s Journey

Why I Joined Sentra: A Data Defender’s Journey

After nearly two decades immersed in cybersecurity, spanning Fortune 500 enterprises, defense contractors, manufacturing giants, consulting, and the vendor ecosystem, I’ve seen firsthand how elusive true data security remains. I've built and led data security programs from scratch in some of the world’s most demanding environments. But when I met the team from Sentra, something clicked in a way that’s rare in this industry.

Let me tell you why I joined Sentra and why I’m more excited than ever about the future of data security.

From Visibility to Vulnerability

In every role I've held, one challenge has consistently stood out: understanding data.
Not just securing it but truly knowing what data we have, where it lives, how it moves, how it's used, and who touches it. This sounds basic, yet it’s one of the least addressed problems in security.

Now, we layer on the proliferation of cloud environments and SaaS sprawl (without mentioning the increasing proliferation of AI agents). The traditional approaches simply don’t cut it. Most organizations either ignore cloud data discovery altogether or lean on point solutions that can’t scale, lack depth, or require endless manual tuning and triage.

That’s exactly where Sentra shines.

Why Sentra?

When I first engaged with Sentra, what struck me was that this wasn’t another vendor trying to slap a new UI on an old problem. Sentra understands the problem deeply and is solving it holistically across all environments. They’re not just keeping up; they’re setting the pace.

The AI-powered data classification engine at the heart of Sentra’s platform is, quite frankly, the best I’ve seen in the market. It automates what previously required a small army of analysts and does so with an accuracy and scale that’s unmatched. It's not just smart, it’s operationally scalable.

But technology alone wasn’t what sold me. It was the people.
The Sentra founders are visionaries who live and breathe this space. They’re not building in a vacuum, they’re listening to customers, responding to real-world friction, and delivering solutions that security teams will actually adopt. That’s rare. That’s powerful.

And finally, there’s the culture. Sentra radiates innovation, agility, and relentless focus on impact. Every person here knows the importance of their role and how it aligns with our mission. That energy is infectious and it’s exactly where I want to be.

Two Decades. One Mission: Secure the Data.

At Sentra, I’m bringing the scars, stories, and successes from almost 20 years “in the trenches”:

  • Deep experience building and maturing data security programs within highly regulated, high-stakes environments

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  • A background stitching together integrated solutions across silos and toolsets

  • A unique perspective shaped by my time as a practitioner, leader, consultant, and vendor

This blend helps me speak the language of security teams, empathize with their challenges, and design strategies that actually work.

Looking Ahead

Joining Sentra isn’t just the next step in my career; it’s a chance to help lead the next chapter of data security. We’re not here to incrementally improve what exists. We’re here to rethink it. Redefine it. Solve it.

If you’re passionate about protecting what matters most, your data. I’d love to connect.

This is more than a job; it’s a mission. And I couldn’t be prouder to be part of it.

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What the HIPAA Compliance Updates Mean for Your Security

What the HIPAA Compliance Updates Mean for Your Security

The Health Insurance Portability and Accountability Act (HIPAA) has long been a cornerstone of safeguarding sensitive health information in the U.S., particularly electronic protected health information (ePHI). As healthcare organizations continue to face growing cybersecurity challenges, ensuring the protection of ePHI has never been more critical. 

In response, for the first time in two decades, the U.S. Department of Health and Human Services (HHS) has proposed significant amendments to the HIPAA Security Rule, aimed at strengthening cybersecurity measures across the healthcare sector. These proposed changes are designed to address emerging threats and ensure that healthcare organizations have robust systems in place to protect patient data from unauthorized access and potential breaches. This blog presents the major changes that are coming soon and how you can prepare for them.

Instead of considering compliance as a one-time effort, with Sentra you can monitor your compliance status at any given moment, streamline reporting, and remediate compliance violations instantly.

How Sentra Can Help You Stay Compliant

Sentra’s data security platform equips healthcare organizations with the necessary tools to stay compliant with the new HIPAA Security Rule amendments. By providing continuous monitoring of ePHI data locations and assessing associated risks, Sentra helps organizations maintain full visibility and control over sensitive data.

Key Benefits of Using Sentra for HIPAA Compliance:

  • Automated Data Discovery & Classification: Instantly locate and classify ePHI across cloud and on-prem environments.
  • Real-time Risk Assessment: Continuously assess vulnerabilities and flag security gaps related to HIPAA requirements.
  • Access Control & Encryption Monitoring: Ensure compliance with mandatory MFA, encryption policies, and access termination requirements.
  • Smart Compliance Alerts: Sentra doesn’t just detect generic cloud misconfigurations. Instead, it pinpoints security issues affecting sensitive data, helping teams focus on what truly matters.

Without a solution such as Sentra, organizations waste valuable time manually searching for and classifying sensitive data, diverting key employees from higher-priority security tasks. With Sentra, security teams gain an ongoing, real-time dashboard that ensures efficient compliance and faster risk mitigation.

What You Need to Know About the Proposed HIPAA Security Rule Updates

The latest proposed updates to the HIPAA Security Rule represent some of the most significant changes in years. These updates aim to modernize data protection practices and ensure healthcare organizations are better equipped to handle today’s security challenges. Below are the key highlights compliance and security teams should focus on:

Mandatory Implementation Specifications
All implementation specifications under the HIPAA Security Rule will become mandatory. Covered entities and business associates must now fully comply with all safeguards—no more "addressable" exceptions.

Stricter Encryption Requirements
Encryption of electronic protected health information (ePHI) will be required both at rest and in transit. Organizations must ensure encryption is in place across all systems handling sensitive data.

Required Multifactor Authentication (MFA)
MFA will become mandatory to protect access to ePHI. This added security layer significantly reduces the risk of unauthorized access and credential compromise.

Network Segmentation for Threat Containment
Organizations must implement network segmentation to isolate sensitive systems and limit the spread of cyber threats in the event of a breach.

Timely Termination of Access
Access to ePHI must be revoked within 24 hours when an employee leaves or changes roles. This reduces the risk of insider threats and unauthorized access.

Comprehensive Documentation Requirements
Healthcare organizations must maintain detailed, up-to-date documentation of all security policies, procedures, risk assessments, and incident response plans.

Asset Inventories and Network Mapping
Annual updates to technology asset inventories and network maps will be required to ensure accurate tracking of where and how ePHI is stored and transmitted.

Enhanced Risk Analysis
Organizations must conduct regular, thorough risk assessments to identify vulnerabilities and assess threats across all systems that interact with ePHI.

Stronger Incident Response Plans
Entities must be able to restore lost systems and data within 72 hours after a cyber incident. Regular testing and refinement of incident response protocols will be essential.

Annual Compliance Audits
Healthcare organizations will be required to conduct annual audits of their HIPAA Security Rule compliance, covering all technical and administrative safeguards.

Mandatory Technical Controls
Technical safeguards like anti-malware tools, firewalls, and port restrictions must be in place and regularly reviewed to protect systems from evolving threats.

What’s Next?

The proposed changes to the HIPAA Security Rule are currently in the Notice of Proposed Rulemaking (NPRM) stage, with a 60-day public comment period that opened on January 6, 2025. During this period, stakeholders can provide feedback on the amendments, which may influence the final rule. Organizations should actively monitor the comment period, engage in the feedback process, and stay informed on any potential adjustments before the rule is finalized.

Steps Organizations Should Take Now:

  • Review the proposed changes and understand how they impact your current security posture.
  • Engage in the public comment process to share concerns or recommendations.
  • Start assessing security gaps to align with HIPAA’s evolving compliance requirements.

Conclusion

The new HIPAA compliance amendments represent a major shift in how healthcare organizations must protect electronic Protected Health Information (ePHI). The introduction of enhanced encryption standards, mandatory multi-factor authentication (MFA), and stricter access control measures means organizations must act swiftly to maintain compliance and reduce cybersecurity risks.

Compliance is not just about meeting regulations, it is about efficiency. Organizations relying on manual processes to locate and secure sensitive data waste valuable time and resources, making compliance efforts less effective.

With Sentra, healthcare organizations gain a powerful, automated data security solution that:

  • Eliminates manual data discovery by providing a real-time, continuous inventory of sensitive data.
  • Prioritizes relevant data security risks instead of overwhelming teams with unnecessary alerts.
  • Ensures compliance readiness by automating key processes like access control monitoring and encryption verification.

Now is the time for healthcare organizations to take proactive steps toward compliance. Stay informed, participate in the public comment process, and start implementing security enhancements today.

To learn how Sentra can help your organization achieve HIPAA compliance efficiently, request a demo today and take control of your sensitive data.

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Over the past year, we’ve seen an incredible surge in enterprise AI adoption. Companies across industries are integrating AI agents and generative AI into their operations to move faster, work smarter, and unlock innovation. But behind every AI breakthrough lies a foundational truth: AI is only as secure as the data behind it.

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The explosion of the data security market reflects how critical this challenge has become. At Sentra, we’ve long believed that a Data Security Platform (DSP) must be cloud-native, scalable, and adaptable to real-world enterprise environments. We’ve been proud to lead the way, and our continued growth, especially among Fortune 500 customers, is a testament to the urgency and relevance of our approach.

Scaling for What's Next

With the announcement of our $50 million Series B funding round, bringing our total funding to over $100 million, we’re scaling Sentra to meet the moment. We're counting on strong customer momentum and more than tripling revenue year-over-year, and we’re using this investment to grow our team, strengthen our platform, and continue defining what modern data security looks like.

We’ve always said security shouldn’t slow innovation - it should fuel it. And that’s exactly what we’re enabling.

It's All About the People


At the end of the day, it’s people who build it, scale it, and believe in it. I want to extend a heartfelt thank you to our investors, customers, and, most importantly, our team. It’s all about you! Your belief in Sentra and your relentless execution make everything possible. We couldn’t make it without each and every one of you.

We’re not just building a product, we’re setting the gold standard for data security, because securing your data is the heartbeat of your organization!

Innovation without security isn’t progress. Let’s shape a future where both go together!

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