Recurrent neural networks
Recurrent neural networks are a type of artificial neural networks that are used to process sequential data. They differ from other types of neural networks in that they have feedbacks that store information about...
cyber security
✔️ Tag: Cyber security
Cybersecurity: protection in the digital world
What is cyber security?
Cybersecurity is the protection of computer systems and networks from theft or damage to their hardware and software, and from attacks on information. In an age where more and more information is stored digitally and more and more transactions are done online, cybersecurity is becoming more and more important.
Why is cybersecurity needed?
Cybersecurity is essential to protect sensitive information such as personal data, financial information, and trade secrets. It also helps prevent unauthorized access to systems and networks that could lead to data theft or corruption.
How to ensure cyber security?
To ensure cybersecurity, it is necessary to use various methods of protection. For example, you can use antivirus software to protect against malware, as well as firewalls to control access to networks. It is also important to regularly update software and operating systems to address vulnerabilities.
What threats exist?
There are many cybersecurity threats, including viruses, worms, Trojan horses, and other malware. There are also phishing attacks, in which attackers try to gain access to confidential information by deceiving users. In addition, there are denial of service (DDoS) attacks, in which attackers try to overload servers and make them unavailable.
What to do in the event of a cybersecurity breach?
If you suspect that your system or network has been compromised, you should contact cybersecurity experts immediately. They will help determine the cause of the breach and suggest solutions to address the vulnerabilities. It is also important to report the violation to the appropriate authorities for investigation.
How to raise awareness about cybersecurity?
One way to raise awareness about cybersecurity is through education. Many organizations offer cybersecurity courses and training for their employees. You can also attend conferences and seminars on this topic. In addition, it is important to follow the news in the field of cybersecurity and be aware of the latest threats and protection methods.
Cyber security main risks
1. The Internet is an open network without organization of control. Hackers often break into computer systems on a network, either by stealing confidential data and privileges, or by destroying important data, or by causing the system to function incompletely until it is paralyzed.
2. Data transmission on the Internet is based on TCP/IP communication protocols, which lack security measures to prevent information theft during transmission.
3. Most communication services on the Internet are supported by the Unix operating system, and obvious security vulnerabilities in the Unix operating system will directly affect the security services.
4. Electronic information stored, transmitted and processed on a computer is not yet protected by an envelope, is not signed and sealed like traditional mail messages. Whether the source and destination of the information is correct, whether the content has changed, whether there has been a leak, etc. is supported by a gentlemen's agreement in the service agreement maintained by the application layer.
5. Emails can be parsed, misdelivered and forged. Using e-mail to convey important and confidential information comes with great dangers.
6. The spread of computer viruses through the Internet causes great harm to Internet users. Viruses can paralyze computers and computer network systems. And also lead to loss of data and files. Viruses can spread over the network via public anonymous FTP file transfers. And also through email and its attachments.
Forms of attack
There are four main ways to interrupt, intercept, modify and fake:
1. Outages target availability by destroying system resources and making the network unavailable.
2. Hijacking uses privacy as an attack target, and unauthorized users gain access to system resources through some means.
3. Modifications are aimed at integrity, and unauthorized users not only gain access, but also change the data.
4. Forgery uses integrity as an attack target, and unauthorized users insert fake data into normally transmitted data.
⟹ The following are materials covering this topic:
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