マイクロサービス アーキテクチャで Java フレームワークのセキュリティを確保するにはどうすればよいですか?

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTVerifier;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.exceptions.JWTVerificationException;
...
String secret = "my-secret";
JWTVerifier verifier = JWT.require(Algorithm.HMAC256(secret)).build();
...

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
...
String plainText = "my-data";
...
byte[] iv = new byte[16];
IvParameterSpec ivSpec = new IvParameterSpec(iv);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
SecretKey secretKey = keyFactory.generateSecret(new PBEKeySpec(password.toCharArray(), salt, 1000, 256));
SecretKeySpec keySpec = new SecretKeySpec(secretKey.getEncoded(), "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
...

import org.owasp.dependencycheck.Engine;
import org.owasp.dependencycheck.analyzer.AnalysisPhase;
import org.owasp.dependencycheck.dependency.Dependency;
import org.owasp.dependencycheck.exception.ExceptionCollection;
import org.owasp.dependencycheck.exception.ReportException;
...
Engine engine = new Engine();
engine.scan(folder, new File("report.html"));
...

import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import org.slf4j.LoggerFactory;
...
Logger logger = (Logger) LoggerFactory.getLogger(MyClass.class);
logger.info("Processing data: {}", data);
...

import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
...
@Configuration
@EnableWebSecurity
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
...
}