Source code is often exposed to Cyber threat groups looking for vulnerabilities to exploit.

Trellix has confirmed unauthorized access to a portion of its internal source code repository, that affects a major enterprise security vendor. The breach highlights supply chain exposure rather than a deployed, exploitable vulnerability.

There is a sufficient supply chain risk for organizations that depend on Trellix products. This also raises concern over effectiveness of Trellix’s security measures and incident response protocols as Source code repositories are main targets for attackers.

Attackers are always on look out to find weak spots, insert backdoors or carry out supply chain attacks on customers.

Still incident such as Trellix where source code has been exposed, poses serious security question on how effective is the incident response protocol. Or has there been exposure of proprietary detection logic, enabling threat actors to develop evasion techniques targeting Trellix-protected environments.

This is not the only example of organizations whose source code has been breached. It has been found organization’s who lose source code end up with issues that make their products vulnerable to cyber-attacks. This gives competitors an edge and they suffer financial losses too.

Data’s are highly sensitive and have a seriously negative impact on an organization, in case of source code leak for organization who build products, vulnerability may arise in products.

In the past few years we have witnessed how source code leak bought down brand value and methods of attack are continuing to evolve. In few case developers are involved in leaking codes. There is a great challenge that lies in safeguarding intellectual property and proprietary code, when the cybersecurity sector is under heightened attack and a sweeping change is reflected in the threat landscape.

We have witnessed how in 2018, an intern working for Apple took source code on leaving the company, and shared it with friends in an IOS jailbreaking community, in an effort to find ways to unlock an IOS phone. Unfortunately the code ended up on a public GitHub repository for the world to share.

Similarly Snapchat source code was leaked in 2018; the company stating it happened when an IOS update occurred allowing the code to be leaked. 

Technical summary on Trellix Breach

• Vulnerability includes CWE-284 (Improper Access Control) and CWE-285 (Improper Authorization), consistent with unauthorized repository access, and potentially CWE-312 (Cleartext Storage of Sensitive Information) if credentials or sensitive artifacts were co-located in the repository.

• No CVE has been assigned. CVSS base score is not applicable as this incident is a supply chain exposure.

• Qualitative severity is assessed as High based on potential downstream impact.

• MITRE ATT&CK techniques relevant to this incident include T1213 (Data from Information Repositories), T1552.001 (Credentials In Files), T1195.002 (Compromise Software Supply Chain), T1078 (Valid Accounts), and T1059 (Command and Scripting Interpreter).

• These techniques reflect the breach vector and potential future attacker exploitation path, not confirmed post-breach attacker activity.

• No patch is applicable; vendor remediation status and scope of exposed code remain undisclosed.

• No IOCs have been published. Primary corroborating sources for this breach should be sourced from Trellix’s official incident statement; secondary verification is pending.

Trellix Breach raises question on incident response protocols and efficacy

The Trellix incident will have an impact on industry standards and practices and how industry plans to tackle cybercrime. This incident exposes a control gap in supply chain risk management for security tooling vendors.

Efficient and effective response to and recovery from a cyber incident by organizations in the
cyber security ecosystem are essential to limit any related financial stability risks as well as brand image. Such risks could arise, for example, from interconnected IT systems between multiple institutions or
third-party service providers.

The cyber resilience of organizations is crucial, to detect and respond to any attack correctly.

One of the reason where incorporating threat modeling in business helps to understand all attacks and identify their attack surface, as well as impact.

Today if mapping of each attack to an incident response framework is done accurately allows a well-structured approach to enable one to manage and mitigate the impact of any attack, thereby reducing associated cyber risk.

Remediation

Trellix notified that until scope is clarified, maintain current product versions and establish a watch cadence for vendor updates. Monitor Trellix’s official advisory channel and incident communications weekly until Trellix declares the investigation closed and issues a final scope disclosure.

Conclusion:

Detecting and analyzing incidents are fundamental steps in incident response plan. Organizations who employ advanced monitoring tools and techniques, such as intrusion detection systems and log analysis, can identify potential security breaches at a faster rate. The ability to analyze these incidents ensures a comprehensive understanding of the attack vectors employed by threat actors.

Sources: https://techjacksolutions.com/scc-intel/trellix-source-code-repository-breach-raises-supply-chain-concerns-for-enterprise-security-customers/

Sources: https://www.stop-source-code-theft.com/recent-high-profile-source-code-leaks/