???? ??? ?? Java ????? ?? ??? ??? ???? ?? ??? ?????? ??? ?? ????? ?? ?????. ? ????? ???? ??? ?? ?? ??? ???? ??? Java ??????? ???? ?? 7?? ??? ??? ???????.

?? ?? ????

?? ??????? ? ?? ??? ? ??? ?? ??? ???? ????. Java?? ?? ?? ???? ??? ?? TLS/SSL? ???? ?? ?????. ?? ???? ??? ?? ??? ??? ? ??? ?? ?? ??????.

Java?? TLS? ???? ?? SSLContext ???? ?????. ???? ?? ??? ????.

SSLContext context = SSLContext.getInstance("TLSv1.2");
context.init(null, null, new SecureRandom());
SSLSocketFactory factory = context.getSocketFactory();

?? TLS ??? ???? ? ?? ???? ?? ????? ??? ?? ?????. ??? ??? ????? ?? ???? ???? ???? ?????.

? ?????? ??? ??????? ??? SSL ??? ???? ??? ??????. TLS 1.2? ?????? ?? ??? ?? ?????? ??? ???????.

?? ??? ??

?? ??? ??? SQL ?? ? XSS(?? ??? ????)? ??? ??? ??? ??? ?? ? ?? ??????. ?????? ???? ???? ?? ???? ????? ??? ??? ????? ???.

SQL ??? ?? ?? ?????? ?? ?????. ?? ??? ????.

String sql = "SELECT * FROM users WHERE username = ? AND password = ?";
PreparedStatement statement = connection.prepareStatement(sql);
statement.setString(1, username);
statement.setString(2, password);
ResultSet resultSet = statement.executeQuery();

? ??????? ?? OWASP Java Encoder Project? ?? ?????? ???? ??? ??? HTML, JavaScript ?? CSS ????? ????? ?? ????? ???? ?? ????.

?? SQL ??? ??? ??? ???? ??? ??????? ??? ?? ????. ??? ???? ???? ?? ??? ?????? ? ? ?? ???? ??? ??? ? ??? ??? ?????.

?? ??? ??

?? ??? ??? ??????? ? ??? ??? ??? ??? ???? ????. Java??? SecurityManager? ???? ? ??? ??? ? ????.

??? SecurityManager ?? ??? ?? ?? ????.

System.setSecurityManager(new SecurityManager());

?? ?? ?? ???? ??? ?? ?? ??? ??? ? ????. ?:

grant codeBase "file:/path/to/your/application/-" {
    permission java.io.FilePermission "/tmp/*", "read,write,delete";
    permission java.net.SocketPermission "localhost:1024-", "listen";
};

?? ??? ??????? ??????? ? ??? ?? ???? ??? ??? ????? ??????. ? ????? ??? ??? ?? ??? ?? ?? ??? ?? ?????.

??? ??? ??

??? ???? ??? ?? ???? ?????. Java? ??? ???? ??? ? ?? ??? ??? API? ?????.

??? AES? ???? ???? ????? ??? ????.

SecretKey key = KeyGenerator.getInstance("AES").generateKey();
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, key);
byte[] encryptedData = cipher.doFinal(data.getBytes());

??? ?? ???? ???? ??? Java? KeyStore API? ?? ?????.

SSLContext context = SSLContext.getInstance("TLSv1.2");
context.init(null, null, new SecureRandom());
SSLSocketFactory factory = context.getSocketFactory();

?? ??? ?? ????????? KeyStore? ???? API ?? ?? ??? ?? ??? ???? ??????. ?? ??? ???? ???? ?? ??? ???? ??????.

??? ?? ??

? ??????? ??? ????? ??? ?? ??? ?????. ?? ????? ????? ?? ???? ???? ??? ?? ???? ??????.

??? Java?? ?? ?? ID? ???? ??? ????.

String sql = "SELECT * FROM users WHERE username = ? AND password = ?";
PreparedStatement statement = connection.prepareStatement(sql);
statement.setString(1, username);
statement.setString(2, password);
ResultSet resultSet = statement.executeQuery();

??? ?? ?? ?? ?? ???? ???? ? ??? ???? ??????.

System.setSecurityManager(new SecurityManager());

???? ?? ? ???????? ??? ??? ?? ??? ??????? ??? ?? ??? ????? ??? ?? ?? ???? ??????.

??? ???? ??

??? ???? ???? ???? ?????. ??? ????? ?? ?????? ????? ?????? ?? ?????.

OWASP ??? ??? ?? ??? ???? ?? ??? ???? ???? ? ??? ? ? ????. Maven ????? ???? ??? ??? ????.

grant codeBase "file:/path/to/your/application/-" {
    permission java.io.FilePermission "/tmp/*", "read,write,delete";
    permission java.net.SocketPermission "localhost:1024-", "listen";
};

??? ?????? ?? ??? ?? ???? ???? ????? ? ?? ????. ??? ???? ??? ???? ??? ???? ??? ??? ??? ??? ? ????.

??? ?? ??

??? ?? ??? ??? ??? ??? ???? ?? ????. ?? ?? ??? ?? ????? ???. ???? ??? ? ?? ??? ??? ?? ???? ???? ???.

??? ?? ?? ???? ???? ??? ??? ?????. ??? Java ? ???????? ??? ?? ?? ???? ???? ??? ?? ????.

SecretKey key = KeyGenerator.getInstance("AES").generateKey();
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, key);
byte[] encryptedData = cipher.doFinal(data.getBytes());

??? ?? Logback? ?? SLF4J? ?? ?????? ???? ?? ????. ?? ??? ??? ????.

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    <??? ??="FILE">



<p>? ?????? ??? ??? ?? ??? ???? ????? ???? ??? ??????. ??? ?? ??? ???? ??? ??? ?? ??? ?? ??? ???? ????? ???? ? ?????.</p>

<p>??? 7?? ??? ??? Java ?????? ??? ??? ?????. ??? ??? ???? ???????. ???? ?? ??, ?? ???, ??? ??? ? ?? ??? ?? ?? ?? ??? ?? ?????? ??? ???? ? ??? ?????.</p>

<p>??? ??? ?? ??? ???? ??? ???? ?? ?????. ??? ??? ??? ???? ??? ???? ????. ??? ?? ??? ???? ???? ?? ??? ???? ??? ?? ?? ????? ??? ????.</p><p>Java ????? ??? ???? ???? ???? ??????? ???? ??? ??? ????. ??? ?? ?? ??? ?????? ?? ?? ??? ?? ??? ?? ???? ??? ? ?? ??????? ??? ? ????.</p>

<p>? ??? ??? ?? ??? ??????? ?? ???? ??, ?? ??? ????? ?? ????? ?? ???? ??? ???? ?????????. ?? ?? ?? ??? ?? ??? ??? ??? ??? ???, ??????? ???? ???? ?? ? ? ?? ?? ??? ???? ??? ?? ?? ?? ??? ??? ?? ?????.</p>

<p>?? ? ????? ?? ??? ???? ?? ???? ?? ??? ???? ?? ?? ????. ??? ??? ???? ???? ?????? ??? ??? ??? ???? ????? ??? ???? ???? ??????? ???? ??? ? ????.</p>


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? ??? ?? Java ?? ??: ??? ???? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!