In this latest post of our series on the EU’s General Data Protection Regulation, we’ll explain how file integrity monitoring (FIM) can be crucial in helping organizations comply with this severe regulation.

GDPR, which went into effect in May and applies to organizations worldwide that handle EU residents’ personal data, provides few details of specific security technologies and processes organizations should adopt.

However, it’s clear from the GDPR text that the regulators expect organizations to demonstrate that  they’re doing all they can to protect their EU customers’ personal data from malicious and accidental misuse. For InfoSec teams this means providing a rock-solid security foundation that gives their organizations superior data breach prevention and detection.

File integrity monitoring (FIM) specifically provides security controls in three key areas for GDPR:

• Ensuring integrity of data stored in filesystems
• Protecting confidentiality of data by detecting changes to filesystem access controls
• Detecting breaches 

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File integrity monitoring, like other foundational security practices such as vulnerability management, helps organizations comply with the EU’s General Data Protection Regulation (GDPR). FIM specifically provides security controls in three key areas for GDPR:

• Ensuring integrity of data stored in filesystems
• Protecting confidentiality of data by detecting changes to filesystem access controls
• Detecting breaches  

Qualys File Integrity Monitoring’s ability to quickly detect changes in all of these cases makes it a critical tool that helps you meet general security requirements of GDPR. This regulation goes into effect in late May and applies to any organization worldwide that handles personal data of EU residents.

What is FIM, anyway?

File integrity monitoring systems can help you to promptly detect a variety of changes stemming from normal IT activities, compliance and change control violations, or malicious acts such as malware attacks and configuration tampering.  FIM systems use snapshot data and real time detection on the endpoints to identify when files on a system are changed, and when necessary, log the file changes so system administrators, compliance teams, and incident response teams can verify the events and determine if the activity was normal, a policy violation, or a sign of compromise.

Aside from compliance and breach detection use cases, FIM can be invaluable in making sure scripts used for automation and critical application configurations are not changed without proper change control and approval. That way, organizations can prevent downtime and enable fast recovery, both key to ensuring availability of critical applications.

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This release of the Qualys Cloud Platform version 2.32 includes updates and new features for AssetView, EC2 Connector, File Integrity Monitoring, Indication of Compromise, Security Assessment Questionnaire, Web Application Scanning, and Web Application Firewall, highlights as follows.  (Post updated 3/23 to include new FIM features for this release.)

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You’ll be hard pressed to find file integrity monitoring on any list of cool, emerging, cutting-edge cybersecurity technologies. But if you choose to ignore this mature, foundational technology, it’ll be at great risk.

File integrity monitoring, or FIM, plays a key role in critical security and compliance scenarios. An effective FIM system can help you to promptly detect a variety of changes stemming from normal IT activity, compliance and change control violations, or malicious acts such as ransomware/malware attacks and configuration tampering. FIM can be your last line of detection for complex and evasive rootkits or mobile code. It is also invaluable in making sure validated scripts and configurations are not changed by insiders, malicious or not.

In this blog series, we’ll address the major uses for FIM, starting with regulatory compliance, and specifically the PCI DSS (Payment Card Industry Data Security Standard) mandate.

While FIM is an implicitly required control in many regulations for ensuring information integrity, it is explicitly mentioned in PCI DSS for any system handling personally identifiable information.  The best practices and insights from those monitoring systems with FIM for PCI compliance are just as applicable to other regulations and mandates, such as HIPAA, GDPR and Sarbanes-Oxley.

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For almost 10 years, thousands of organizations eager to solidify their security and compliance foundations have found clarity and direction in the the Center for Internet Security’s Critical Security Controls (CSCs).

This structured set of 20 foundational InfoSec best practices, first published in 2008, offers a methodical and prioritized approach for securing your IT environment. Mapping effectively to most security control frameworks, government regulations, contractual obligations and industry mandates, the CSCs can cut an organization’s risk of cyber attacks by over 90%, according to the CIS.

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Corden Pharma needed a standardized security program to meet customer requirements. Link3 Technologies wanted to prioritize its network security improvements. Telenet was looking for a road map to implement its ISO-27000 compliance program.

These three companies — a German pharmaceutical contract manufacturer, an IT services provider in Bangladesh and a large telecom in Belgium — all found the InfoSec clarity and guidance they needed in the Center for Internet Security’s Critical Security Controls (CSCs).

They are among the thousands of organizations that over the years have successfully adopted the CSCs, a set of 20 security best practices that map effectively to most security control frameworks, as well as regulatory and industry mandates.

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Most successful cyber attacks exploit known vulnerabilities for which patches are available, or take advantage of weak configuration settings that could have been easily hardened. You can significantly lower the risk of being victimized by this type of common, preventable attack by adopting the Center for Internet Security’s Critical Security Controls (CSCs).

This set of 20 structured InfoSec best practices offers a methodical and sensible plan for securing your IT environment, and maps to most security control frameworks, government regulations, contractual obligations and industry mandates.

The CSCs were first developed in 2008 and are periodically updated by a global community of volunteer cybersecurity experts from government, academia and industry. “The CIS Controls provide a prioritized approach to cyber security, starting with the most essential tasks and progressing to more sophisticated techniques,” Tony Sager, CIS Chief Evangelist, wrote recently.

In this blog series, we’re explaining how Qualys Cloud Platform — a single, integrated, end-to-end platform for discovery, prevention, detection, and response — and its Qualys Cloud Apps can help security teams of any size to broadly and comprehensively adopt the CIS controls.

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