Source code reveals how software works, helping security teams identify vulnerabilities, exposed secrets, and unsafe logic before attackers can exploit them.
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Source code is the human-readable text programmers write in a language such as Python, Java, or C before it is compiled or interpreted into a running program. It defines the program’s logic, data handling, and interactions with operating systems, networks, and other services. Source code may include application code, scripts, and configuration that controls software behavior.
In security, exposed or improperly protected repositories can disclose credentials, private keys, internal endpoints, or details that help attackers find exploitable flaws. Vulnerabilities may also enter through unsafe coding patterns, outdated dependencies, or malicious changes to code and build pipelines. Defenses include least-privilege repository access, secret scanning, peer review, static analysis, dependency and software-composition checks, and integrity controls for releases. Preserving commit history and build provenance helps investigators determine what changed and whether delivered software matches reviewed source.
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Malware Harvested Cloud Credentials, Source Code and Deployment TokensAttackers used a compromised npm publishing credential to release five malicious versions of Jscrambler's Code Integrity package, deploying a Rust-based infostealer that harvested developer, cloud and AI tool credentials while evolving its delivery methods to evade detection.
Researchers Urge Organizations to Rotate Credentials and Review Audit LogsThreat actor 888 claims it stole Accenture source code and cloud credentials, prompting researchers to warn that any exposed Azure tokens, encryption keys or DevOps secrets could enable follow-on intrusions and downstream supply-chain attacks even as Accenture says operations remain unaffected.
Company Says No Evidence So Far That Version Release or Distribution AffectedTrellix disclosed over the weekend that hackers found their way to its source code repository. The company said that investigation so far turned up "no evidence that our source code release or distribution process was affected, or that our source code has been exploited."
AI Dependency Attack Reportedly Exposes Data and Source CodeA LiteLLM supply-chain compromise enabled attackers to harvest credentials and access internal environments at scale at Mercor. The firm was the first to confirm a LiteLLM breach, and researchers are warning about growing AI system exposure and limited visibility.
Fallout Continues Over Leaked Claude Source Code IncidentThe tension between AI developers and cybersecurity vendors is becoming increasingly apparent as new models show sudden leaps in capability - and AI firm Anthropic, for better or for worse, finds itself at the center of the drama.
Anthropic's Mythos Leak Points to Pattern of Failures, Sloppy Practices at AI LabsAnthropic accidentally exposed its most powerful unreleased AI model to compromise, and days later shipped its flagship coding tool's full source code without meaning to. Meta, Microsoft and OpenAI have each had comparable moments. Questions linger about the integrity of third-party AI tools.
Top Lawmaker Urges White House to Review Foreign Influence in Open-Source CodeA top Republican in the U.S. Senate warned the White House that foreign adversaries are exploiting trusted open-source software used across federal networks and defense systems, urging the National Cyber Director to lead efforts to monitor contributors and reduce supply chain risk.
Concerns Grow Over F5 Hacking Amid Stalled Government ShutdownFederal officials are scrambling to contain nation-state hackers exploiting stolen source code from networking devices and software maker F5 amid staffing pressures created by the ongoing government shutdown. Stolen files reportedly include undisclosed vulnerabilities F5 had been researching.
Federal Agencies Ordered to Patch or Decommission F5 Devices Amid Imminent RiskAn advanced nation-state threat actor stole sensitive F5 source code and vulnerability data to craft tailored exploits, prompting an emergency directive amid a U.S. government shutdown that has left cyber defenses strained and federal networks at "imminent risk."
Researcher Found Bug Could Exfiltrate Secrets Via Camo ImagesA now-patched flaw in GitHub Copilot Chat could have allowed attackers to steal private source code and secrets by embedding hidden prompts that hijacked the artificial intelligence assistant's responses. The exploit also used the code hosting platform's image proxy to leak the stolen data.
Group Reportedly Scanned Salesloft's Source Code on GitHub, Recovered OAuth TokensThe ShinyHunters extortionists behind data-grabbing August attacks on Salesloft Drift users claim to have stolen 1.5 billion Salesforce records from 760 companies after breaching Salesloft's private Git repository and scanning it for secrets, which led to them recovering working OAuth tokens.
Prompt Injection, HTML Output Rendering Could Be Used for ExploitHackers can exploit vulnerabilities in a generative artificial intelligence assistant integrated across GitLab's DevSecOps platform to manipulate the model's output, exfiltrate source code and potentially deliver malicious content through the platform's user interface.
One Vulnerability Had Been Undiscovered for Two Decades, Researchers SaidGoogle researchers used an AI-powered fuzzing tool to identify 26 vulnerabilities in open-source code repositories, some of which had been lurking undiscovered for several decades. Each was found with AI, using AI-generated and enhanced fuzz targets, Google said.
Noka 'Is Aware of Reports'Finnish telecommunications equipment manufacturer Nokia is investigating the alleged posting of source code data on a criminal hacking forum. A hacker going by the handle of "IntelBroker" on Thursday posted what he said is a trove of "Nokia related source code."
Cops Recover Redline, Meta Infostealer Data; Promise Criminal Users: 'See You Soon'The Dutch National Police, working with the FBI, say they've disrupted the Redline and Meta info-stealing malware services after obtaining "full access" to them, including source code and extensive details pertaining to their users, with follow-on "legal actions" now "underway."
Developers are using more and more open-source code because they "want to move fast," said Cycode's Lotem Guy. But the speed of development and the continuous deployment that follows means security teams have to catch up to the fast-moving development life cycle.
Company Officials Reportedly Said Hackers Just Obtained Read-Only Access to CodeRussian nation-state hackers who compromised Microsoft's source code repository gained read-only access but not the ability to change code, top company officials reportedly told a German parliamentary committee on Wednesday. Microsoft is being criticized for high-profile security failures.
Warnings: Products' Source Code at Risk, Customers' Secrets Spilled via EmailWhat did Microsoft mean when it said that nation-state hackers are "attempting to use secrets of different types" they found in its emails with customers, what's the risk posed by those attackers also accessing Microsoft's source code and what can - and should - customers do about it all?
Russian Foreign Intelligence Service Hack Gets Worse for Computing GiantA Russian state hack against Microsoft was more serious than initially supposed, Microsoft acknowledged in a Friday disclosure to federal regulators. Microsoft said a Moscow threat actor obtained access to "source code repositories and internal systems."
Qakbot Wouldn't Be the First Trojan to Come Back After a TakedownTakedowns aren't always forever in cyberspace. Months after a U.S. law enforcement operation dismantled the notorious Qakbot botnet, security researchers said signs are pointing to a resurgence. Someone with access to the Qakbot - also known as Qbot - source code is experimenting with new builds.