I remember that ten years ago, when I was still using the Windows operating system, I would install anti-virus software by myself. At that time, several free anti-virus software that were very popular and had a high market share were later acquired by large companies. Nowadays, many people will choose the built-in Microsoft Defender anti-virus Software, in fact, I think the built-in anti-virus tool is enough, more importantly, the user's usage habits, after all, no anti-virus software can be 100% safe, good usage habits can reduce a lot of risks, if you want to know Whether a file or web page is really safe, try the next free service.
This article will introduce " Kaspersky Threat Intelligence Portal "is a free online anti-virus tool provided by Kaspersky. It has functions such as file analysis and web page scanning. The file part supports a single file up to 256 MB. After uploading, you can use the Kaspersky system to detect whether the file is safe or hidden. Risk report results, it is very useful to know whether a certain file or web page is safe, just open the browser, just like other online anti-virus tools.
It seems that the online anti-virus service has not been introduced for a long time. Similar functions may be outdated, or there are relatively few opportunities to use them. In any case, Kaspersky Threat Intelligence Portal is a very convenient service. Even if no anti-virus software is installed, it can Scan the file through the network to see whether it is safe. Kaspersky is famous for its security protection software. There should be no doubt about the accuracy and real-time detection. Friends who need it should remember to add bookmarks for emergencies.
Kaspersky Threat Intelligence Portal
use teaching
STEP 1
Open Kaspersky's Threat Intelligence Portal website, and from "Analysis" you will see the file analysis, URL detection and web page detection functions. Except for the last page detection, which requires registration to use, the other two services can be performed anonymously without logging in. File analysis supports a single file size of up to 256 MB. Similar tools operate similarly, and all need to upload the file to a remote server for detection.
Another Lookup function under the analysis can analyze Hash, IP address, domain name or page URL.
STEP 2
Try to take a PDF file as an example. You can choose whether to "Private submission" before uploading. According to the instructions, after checking this option, the analysis results will not be displayed on the "Requests" public page on the left, and others will not be able to see it. , but this option will not work if the same file has been submitted to the Kaspersky website for public inspection.
Online anti-drug services require users to upload complete files and analyze them. In fact, it is the concept of remote anti-drugs.
STEP 3
After uploading, it takes about three minutes to scan (average time), and the test result will show whether the result is safe, and other information including file format, file size, MD5, SHA-1, SHA-256, etc., and at the same time Generate a hash value of the detection report.
When you query the domain name or URL through Kaspersky, it will also display whether the website is safe. At the same time, you can also view information such as the creation date, expiration date, registration unit and registrar of the domain name, although these are the results obtained from WHOIS. Kaspersky Threat Intelligence Portal also brings them together for user judgment.
Drag down and there will be a dynamic analysis summary listing the number of detected malware, suspicious activity, extracted files and network activity.
STEP 4
The figure below is the analysis result that will be displayed when the file contains malicious programs, viruses, Trojan horses or potential hazards, and the page will have a red warning mark.
The detected malicious programs and risk types will appear in the analysis summary. Clicking on the malicious program name below will open the Kaspersky Threats database to display more related instructions and information.
Three reasons why it's worth a try:
- You only need to open a browser and upload a file or enter a URL to perform detection without installing software
- A well-known security software company with accurate virus and malicious program detection technology and real-time update mechanism
- Help users quickly confirm the security of files or web pages, and help improve users' security awareness and risk prevention capabilities
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