What is ethical hacking?
Ethical hacking involves an authorized attempt to gain unauthorized access to a computer system, application, or data. Carrying out an ethical hack involves duplicating strategies and actions of malicious attackers. This practice helps to identify security vulnerabilities which can then be resolved before a malicious attacker has the opportunity to exploit them.
Also known as “white hats,” ethical hackers are security experts that perform these assessments. The proactive work they do helps to improve an organization’s security posture. With prior approval from the organization or owner of the IT asset, the mission of ethical hacking is opposite from malicious hacking.
What are the key concepts of ethical hacking?
Hacking experts follow four key protocol concepts:
- Stay legal. Obtain proper approval before accessing and performing a security assessment.
- Define the scope. Determine the scope of the assessment so that the ethical hacker’s work remains legal and within the organization’s approved boundaries.
- Report vulnerabilities. Notify the organization of all vulnerabilities discovered during the assessment. Provide remediation advice for resolving these vulnerabilities.
- Respect data sensitivity. Depending on the data sensitivity, ethical hackers may have to agree to a non-disclosure agreement, in addition to other terms and conditions required by the assessed organization.
How are ethical hackers different than malicious hackers?
Ethical hackers use their knowledge to secure and improve the technology of organizations. They provide an essential service to these organizations by looking for vulnerabilities that can lead to a security breach.
An ethical hacker reports the identified vulnerabilities to the organization. Additionally, they provide remediation advice. In many cases, with the organization’s consent, the ethical hacker performs a re-test to ensure the vulnerabilities are fully resolved.
Malicious hackers intend to gain unauthorized access to a resource (the more sensitive the better) for financial gain or personal recognition. Some malicious hackers deface websites or crash backend servers for fun, reputation damage, or to cause financial loss. The methods used and vulnerabilities found remain unreported. They aren’t concerned with improving the organizations security posture.
What skills and certifications should an ethical hacker obtain?
An ethical hacker should have a wide range of computer skills. They often specialize, becoming subject matter experts (SME) on a particular area within the ethical hacking domain.
All ethical hackers should have:
- Expertise in scripting languages.
- Proficiency in operating systems.
- A thorough knowledge of networking.
- A solid foundation in the principles of information security.
Some of the most well-known and acquired certifications include:
- EC Council: Certified Ethical Hacking Certification
- Offensive Security Certified Professional (OSCP) Certification
- CompTIA Security+
- Cisco’s CCNA Security
- SANS GIAC
What problems does hacking identify?
While assessing the security of an organization’s IT asset(s), ethical hacking aims to mimic an attacker. In doing so, they look for attack vectors against the target. The initial goal is to perform reconnaissance, gaining as much information as possible.
Once the ethical hacker gathers enough information, they use it to look for vulnerabilities against the asset. They perform this assessment with a combination of automated and manual testing. Even sophisticated systems may have complex countermeasure technologies which may be vulnerable.
They don’t stop at uncovering vulnerabilities. Ethical hackers use exploits against the vulnerabilities to prove how a malicious attacker could exploit it.
Some of the most common vulnerabilities discovered by ethical hackers include:
- Injection attacks
- Broken authentication
- Security misconfigurations
- Use of components with known vulnerabilities
- Sensitive data exposure
After the testing period, ethical hackers prepare a detailed report. This documentation includes steps to compromise the discovered vulnerabilities and steps to patch or mitigate them.
What are some limitations of ethical hacking?
- Limited scope. Ethical hackers cannot progress beyond a defined scope to make an attack successful. However, it’s not unreasonable to discuss out of scope attack potential with the organization.
- Resource constraints. Malicious hackers don’t have time constraints that ethical hackers often face. Computing power and budget are additional constraints of ethical hackers.
- Restricted methods. Some organizations ask experts to avoid test cases that lead the servers to crash (e.g., Denial of Service (DoS) attacks).
Let’s try to understand What is a Hacker and How many types of hackers?
A security hacker is someone who explores methods for breaching defenses and exploiting weaknesses in a computer system or network. A Hacker can be a good or bad it’s depend on the activities performed by Hacker. If you Hack for a good reason then you are Ethical but if you use a illegal way then you are a Criminal.
Types of Hackers:
White Hat Hacker:
It is another name for an Ethical Hacker. They hack into a system with prior permission to find out vulnerabilities so that they can be fixed before a person with malicious intent finds them.
Black Hat Hacker:
They are also known as crackers, who hack in order to gain unauthorized access to a system & harm its operations or steal sensitive information. It’s always illegal because of its malicious intent which includes stealing corporate data, violating privacy, damaging the system etc.
Grey Hat Hacker:
They are a blend of both black hat and white hat hackers. They mostly hack for fun and exploit a security weakness in a computer system or network without the owner’s permission or knowledge. Their intent is to bring the weakness to the attention of the owners & earning some bug bounty.
A suicide hacker is a person who works with the intent to bring down major corporations and infrastructure. These kinds of hackers are not scared of the consequences of their actions as they mostly work with a vengeance in their mind. These people are also known as hacktivists.
What are the different types of hacking?
Now that we have discussed the various types of Hackers, let’s go over the different types of hacking. We can segregate hacking into different types depending on what the hacker is trying to achieve.
Website Hacking :
Hacking a website means taking unauthorized control over a web server and its associated software such as databases and other interfaces.
Network Hacking :
Hacking a network means gathering information about a network by using tools like Telnet, NS lookup, Ping, Tracert, Netstat, etc. with the intent to harm the network system and hamper its operation.
Email Hacking :
This includes gaining unauthorized access to an Email account and using it without taking the consent of its owner for sending out spam links, third-party threats, and other such harmful activities.
Password Hacking :
This is the process of recovering secret passwords from data that has been stored in or transmitted by a computer system.
Computer Hacking :
This is the process of stealing computer ID and password by applying hacking methods and getting unauthorized access to a computer system.
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