Useful Information on Application Security

1. Sql Injection Checking Library:
https://github.com/rkpunjal/sql-injection-safe

2. Checking Vulnerable libraries in application:

Add below plugin in pom.xml of you application. This will provide the list of libraries which are vulnerable. A file named dependency-check-report.html will be generated in target folder of you maven based app
 <plugin>
              <groupId>org.owasp</groupId>
              <artifactId>dependency-check-maven</artifactId>
              <version>5.2.4</version>
              <executions>
                  <execution>
                      <goals>
                          <goal>check</goal>
                      </goals>
                  </execution>
              </executions>
            </plugin>
More details can be found in below link:
https://jeremylong.github.io/DependencyCheck/dependency-check-maven/

3. Security Guidelines Tutorial:

https://code.likeagirl.io/pushing-left-like-a-boss-part-1-80f1f007da95

4. Code Review Checklist
https://github.com/softwaresecured/secure-code-review-checklist

5. Burp Extension:

https://github.com/snoopysecurity/awesome-burp-extensions