Ransomware infection occurred in the first

These weaknesses are exploited by cyber criminals to exploit and illegally access computer systems. Once cybercriminals exploit the vulnerability, they can spread malicious code, install malware, and even steal sensitive data. In addition to websites, security holes will often appear in: Web applications, mobile applications Operating systems and software IoT devices Source code, API Transmission and encryption protocols Network system, network equipment Causes of website security holes Free apps and software Free software downloaded to computers is infected with viruses, although there are viruses that only require bkav, CCleaner or regular anti-virus software to avoid website security problems. But once you encounter software that cannot be deleted, you must seek professional help. The same goes for free applications, there are applications that will silently back up the downloader's information data and send it to bad guys, the user may have to spend money to redeem it.



Typically, a series of reports of quarter of 2017, affecting Email Data websites, IoT devices and iPhones. Low security of some programming languages Because websites in Vietnam are programmed using the PHP and WordPress programming languages, if programmers confuse the two security methods GET and POST, the website will likely be noticed. In fact, there are websites that can be designed with simple software that people without much programming knowledge can do. Because the syntax and functions of building a website are simple, the security is not high. It is impossible not to mention security errors in WordPress websites. Especially free SEO software or plugins are also used by hackers to target websites. Vulnerabilities in XSS, session.



By sending a link to the session and user name, once the user clicks on it, the website will be infected with a virus. Once this error occurs, hackers will take control of the website and attack other sites. This is a form of attack that causes website security holes and is highly dangerous but has low exploitability because it needs to trick users into clicking on the link. Website security holes Vulnerabilities in XSS are highly dangerous but less likely to occur Due to security holes in database, web 2.0 connection, AJAX, Javascript The cause of website security holes may be common website security errors in Javascript.