Ethical Hacking (Part 1): OWASP Top 10 and DVWA

Ethical Hacking (Part 1): OWASP Top 10 and DVWA

If you intend to delve into the world of ethical hacking and particularly web application penetration “pen” testing a good starting point is understanding what OWASP is and more particularly the OWASP Top 10.

If you intend to delve into the world of ethical hacking and particularly web application penetration “pen” testing a good starting point is understanding what OWASP is and more particularly the OWASP Top 10.

“The Open Web Application Security Project® (OWASP) is a nonprofit foundation that works to improve the security of software. Through community-led open source software projects, hundreds of local chapters worldwide, tens of thousands of members, and leading educational and training conferences, the OWASP Foundation is the source for developers and technologists to secure the web.” — OWASP® Foundation

“The OWASP Top 10 is a standard awareness document for developers and web application security. It represents a broad consensus about the most critical security risks to web applications.

Companies should adopt this document and start the process of ensuring that their web applications minimise these risks. Using the OWASP Top 10 is perhaps the most effective first step towards changing the software development culture within your organisation into one that produces more secure code.” — OWASP® Foundation

The OWASP Top 10 are described by OWASP® Foundation as follows:

Top 10 Web Application Security Risks

  1. Injection. Injection flaws, such as SQL, NoSQL, OS, and LDAP injection, occur when untrusted data is sent to an interpreter as part of a command or query. The attacker’s hostile data can trick the interpreter into executing unintended commands or accessing data without proper authorisation.
  2. Broken Authentication. Application functions related to authentication and session management are often implemented incorrectly, allowing attackers to compromise passwords, keys, or session tokens, or to exploit other implementation flaws to assume other users’ identities temporarily or permanently.
  3. Sensitive Data Exposure. Many web applications and APIs do not properly protect sensitive data, such as financial, healthcare, and PII. Attackers may steal or modify such weakly protected data to conduct credit card fraud, identity theft, or other crimes. Sensitive data may be compromised without extra protection, such as encryption at rest or in transit, and requires special precautions when exchanged with the browser.
  4. XML External Entities (XXE). Many older or poorly configured XML processors evaluate external entity references within XML documents. External entities can be used to disclose internal files using the file URI handler, internal file shares, internal port scanning, remote code execution, and denial of service attacks.

web-application-security dvwa pentesting owasp-top-10 ethical-hacking

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