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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Background for this topic.
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 Vulnerabilities may also enter through unsafe coding patterns, outdated dependencies, or malicious changes to code and build pipelines.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.
Microsoft on Friday revealed that the Kremlin-backed threat actor known as Midnight Blizzard (aka APT29 or Cozy Bear) managed to gain access to some of its source code repositories and internal systems following a hack that came to light in January 2024
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."
Still "no evidence" of any compromised customer-facing systems, we're told Microsoft has now confirmed that the Russian cyberspies who broke into its executives' email accounts stole source code and gained access to internal systems. The Redmond giant has characterized the intrusion as "ongoing."…
Microsoft says the Russian 'Midnight Blizzard' hacking group recently accessed some of its internal systems and source code repositories using authentication secrets stolen during a January cyberattack. [...]
The threat actors behind the BlackCat ransomware have shut down their darknet website and likely pulled an exit scam after uploading a bogus law enforcement seizure banner
Source code fire sale, stiffing affiliates — are BlackCat admins intentionally burning their RaaS business to the ground? Experts say something's up.