security - Eduguru - Page 16

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Preventing Path Traversal Vulnerabilities

May 11, 2020 Krishna ETHICAL HACKING, Exploiting Path Traversal, HACKING, Preventing Path Traversal Vulnerabilities, security, web, web application, web security, web-app, web-site

By far the most effective means of eliminating path traversal vulnerabilities is to avoid passing user-submitted data to any file

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Injecting into SMTP

May 10, 2020 Krishna A typical site feedback form, An email header injection attack, ETHICAL HACKING, Finding SMTP Injection Flaws, HACKING, Injecting Code, Injecting into SMTP, Preventing SMTP Injection, security, SMTP Command Injection, web-app, web-site

Many applications contain a facility for users to submit messages via the application; for example, to report a problem to

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Extracting Useful Data

May 6, 2020 Krishna An MS-SQL Hack, An Oracle Hack, ETHICAL HACKING, Extracting Useful Data, HACKING, Injecting Code, security, wab-hack, web, web-app, web-app-hack, web-site, web-site-hack, website

In order to extract useful data from the database, you normally need to know the names of the tables and

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Fingerprinting the Database

May 6, 2020 Krishna Fingerprinting the Database, HACKING, html, Injecting Code, Linux, MS-SQL, Oracle, security, web, web-app, web-app-hack, web-site-hack

Most of the techniques described so far are effective against all of the common database platforms, and any divergences have

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Implementation Flaws in Authentication

April 30, 2020 Krishna Attacking Authentication, Authentication, Fail-Open Login Mechanisms, HACKING, Implementation Flaws in Authentication, security, web application, web hacking, website

Even a well-designed authentication mechanism may be highly insecure due to mistakes made in its implementation. These mistakes may lead

The Execution Environment

March 17, 2020 Krishna bytecode, Class File Verifier, Class Loader, class loading process, Execution process, extension class, interpretation process, Java 2 Network Security, Java core classes, Java platform, Java programs, Java3D, JavaManagement, JavaServlet, just-in-time (JIT) compiler, JVM instruction, security, The Execution Environment, The Security Manager

We have said that the JVM operates on the stream of bytecode as an interpreter. This means that it processes

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Firewalls

February 19, 2020 Krishna firewall script, firewall security, Firewalls, iptables, kernel security, LINUX OPERATING SYSTEM, net filter, port security, secure the system, security, security updates, security using scripting, shell script, SPOOFING

Firewalls A machine connected to the Internet that isn’t behind a firewall is a disaster waiting to happen. And you

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HOW VULNERABILITIES ARE IDENTIFIED

January 11, 2020January 11, 2020 Krishna Linux, security, VULNERABILITIES

Vulnerabilities need to be identified by both the penetration tester and the vulnerability scanner. The steps are similar for the

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PENETRATION TESTING APPROACH

January 11, 2020 Krishna APPROACH, IP address, penetration analysis, penetration test, PENETRATION TESTING APPROACH, security

Develop a penetration test plan Establishing the test ground rules is a particularly important part of penetration analysis. The rules

FIREWALL SET UP

January 10, 2020January 10, 2020 Krishna FIREWALL, FIREWALL SET UP, LINUX FIREWALL, LINUX ROOTKITS, ROOTKITS, security, SECURITY BASICS, UNIX FIREWALL

HOW TO SET UP A FIREWALL UNDER LINUX? To configure a Linux firewall, you will likely use the latest implementation