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Title: Understanding WannaCry Ransomware: Prevention and Protection
Introduction:
In the digital age, cybersecurity threats have continually evolved, becoming more sophisticated and pervasive than ever before. One such infamous example is the WannaCry ransomware, which wreaked havoc across the globe in May 2017. This malicious software targeted computer systems running on Microsoft Windows, encrypting users’ data and demanding a ransom payment in Bitcoin. To better safeguard our digital lives, it is crucial to comprehend the nature of WannaCry ransomware and adopt preventive measures to mitigate its potential damage.
This article aims to shed light on the origins, characteristics, and impact of WannaCry ransomware. By understanding its mode of operation, we can then delve into proactive steps to minimize the risk of falling victim to such attacks. Recognizing the crucial role individuals, organizations, and governments play in preventing the spread of this malware, we will explore various preventive measures that can protect our systems and networks from these devastating cyberattacks.
By staying informed about the evolving landscape of ransomware threats and implementing preventative measures, we can effectively armor ourselves against potential data breaches and financial losses. Now, let’s dive deeper into the reality of WannaCry ransomware and discover the essential steps to bolster our digital defenses.
Recently, a large-scale cyber attack with about 75,000 computers was infected across 99 countries by a type of ransomware known as Wanna Cry. What is this and how to prevent it, please follow the following article.
What is Wanna Cry Ransomware?
WannaCry is a type of malicious code that, when infiltrating a user’s device, computer or enterprise system, automatically encrypts a series of files in targeted formats such as documents, images. .. Individual users as well as businesses will have to pay a small amount of money if they want to get that data back.
In terms of infection, the WannaCry malware finds security holes and infects them inside the organization by exploiting the vulnerability disclosed by the NSA tool stolen by the hacker group The Shadow Brokers. This ransomware mainly exploits the vulnerability of the SMB protocol that organizations and individuals have not patched in time, focusing on Win2k8 R2 and Win XP.
This type of attack is different from the traditional method of using a worm, a program that clones itself into a computer system and tricks users into clicking on a malicious link.
It is estimated that the cyber attack took place on a global scale, affecting about 99 countries, including the UK, the US, China, Russia, Spain, Italy, Taiwan (China), Vietnam and Vietnam. many other countries. According to Intel experts, currently the vulnerability has been reported in Hanoi and Ho Chi Minh City, and may spread nationwide.
By the end of May 13, according to TheHackerNews, the largest ransomware attack ever, WannaCry has successfully infected more than 200,000 Windows computers in at least 99 countries. Within the first few hours of spreading, the amount of money the hacker group behind WannaCry collected was about $ 30,000.
Not stopping, a more sophisticated upgraded version of WannaCry, WannaCry 2.0, has just been released by the hacker group and is continuing to infect hundreds of thousands of computers around the globe.
How to check the level of Wanna Cry virus infection
You can click this link: https://intel.malwaretech.com/WannaCrypt.html
How to launch anti-virus WannaCry
According to expert CMC INFOSEC, in the coming week, the hacker group will see many new variants of WannaCry as well as new more complex malicious codes.
Therefore, the urgent job at the moment is to temporarily disable SMB and constantly update patches with Windows operating systems, especially with servers. In addition, users still need to be wary of opening strange emails and files of unknown origin.
Enterprises and users can download Microsoft’s emergency patch, for the bug in the SMB protocol, for use on versions that are no longer supported including Windows XP, Vista, Windows8, Server2003 and 2008.
Besides, it is necessary to regularly back up data and have plans to back up business data; watch out for strange links, in which it is best for businesses to have a separate machine for remote employees when they suspect that mail is not secure; For individual users, always install anti-virus software on mobile phones and computers, especially specialized software for data encryption malware.
In short you must:
- Immediately update the version of Windows operating system in use.
- Immediately update the Anti-virus programs in use.
- Be careful when receiving emails with attachments and strange links, on social networks.
- Delete card information on online payment/shopping websites, etc.
- Do not open links with HTA extensions or links with unclear structure, shortened links.
- Take measures to store important data.
Reference: VTV
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In conclusion, WannaCry ransomware is a highly destructive and sophisticated form of malware that targets computer systems by encrypting files and demanding a ransom for their release. It spread rapidly across the globe in 2017, affecting millions of devices and causing significant financial losses.
To prevent falling victim to WannaCry ransomware or any other form of malware, individuals and organizations should implement a range of preventive measures. Regularly updating operating systems and software, especially critical security patches, is crucial. Moreover, maintaining up-to-date antivirus software and having strong and unique passwords for all accounts is vital for protecting against such attacks.
Furthermore, cautious internet usage habits should be cultivated, such as avoiding suspicious emails, not clicking on unknown links or downloads, and being wary of visiting potentially malicious websites. Employing secure remote desktop protocol (RDP) configurations, backing up important files regularly, and regularly educating employees and users about cybersecurity best practices are additional preventive measures.
In essence, while the threat of ransomware like WannaCry remains prevalent, taking a proactive approach to cybersecurity is essential. By implementing robust preventive measures, individuals and organizations can significantly reduce the risk of falling victim to such attacks and safeguard their data and systems from the devastating consequences of WannaCry ransomware and similar malware threats.
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