Researcher’s Codecov 29k aprilsatterreuters

The data breach investigation by Codecov revealed that 5.1 million documents were stolen from the investigators’ database.

As a result of the breach

  • 29k April was identified as a member of the Hacking Team’s security team, which was tasked with investigating reports of an internal system breach.
  • According to the inquiry, an unknown hacker informed the Hacking Team’s system administrators of the data theft and demanded money on April 29. The email contained a link to a Dropbox account where the stolen files could be retrieved. After receiving this email, Hacking Team’s security personnel began analyzing their networks for signs of unauthorized entry. They also made an unsuccessful attempt to reach April, who was out of town at the time.
  • After analyzing the stolen data, our security experts found no evidence of a breach in the Hacking Team’s networks. April, on the other hand, seems to have been fooled into handing over her credentials, which she subsequently used to access her email account. We believe the hacker gained access to April’s network by sending her an email with a malicious link or attachment (or duping her into clicking on a false website URL), infecting her laptop, and allowing him to enter her network.

Codecov 29k detectives AprilSatterReuters Codecov Background

Codecov is a tool that helps developers find bugs in their source code before exposing it to customers. The platform is widely used by software companies like IBM and Atlassian, as well as government organizations such as NASA.

Data Breach Specifics

Data Breach Specifics

On April 15th, 2021, Codecov stated that an unauthorized actor had accessed their Bash Uploader script, granting them access to sensitive client data such as API tokens, passwords, and user keys.

Our investigation indicated that attackers gained access to these systems during three months commencing January 31st, 2021. At this time, it is believed that they were able to study client data, albeit there has been no proof that any customer data was exfiltrated or misused.

Inquiries regarding the incident

Since the hack was discovered, security professionals have been working hard to ascertain its scope and what information the attackers may have obtained.

This procedure included interviewing witnesses and evaluating logs from both Codecov’s systems and those of third-party services with whom they interface (such as cloud hosting providers).

Thus far, investigators have uncovered no evidence of malicious conduct or abuse of customer data, but their investigations are ongoing.


April 29, 2019

Our investigation into the event in March 2019 is still underway. We discovered roughly 5.1k lines of code in the April 29th release but only 1.4K lines of code in the April 4th release at a period when we assume an intentional modification to one or more files connected to our test suite was done that would impair performance.

Effect on Consumers

Numerous clients that rely on Codecov’s services for automated code reviews and testing before releasing new software versions into production are concerned.

IBM and Atlassian were among the first to respond, publishing comments informing users of the steps they were taking in response to the intrusion (e.g., reviewing credentials associated with their accounts).

Similarly, NASA is reviewing all current contracts with Codecov and temporarily suspending new ones till further notice to evaluate any vulnerabilities in their systems revealed by this occurrence.


Investigators are specialists in their fields that can help you with your data breach. We’ve helped several organizations and individuals recover from data breaches. We can help you if you feel your company’s security has been hacked. Conversely, if you feel your company has had a data breach, we can help. We have vast experience conducting investigations and obtaining evidence for law enforcement and regulatory agencies. Please contact us as soon as possible to learn more about how we may help you.

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