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Many online applications, like insurance portals, healthcare portals and messaging apps, rely on the secure uploading and download of files for business. Unrestricted uploads of data are a prime attack channel used by malicious hackers to spread malware and steal information.
A reputable file-uploading service should verify that the uploaded files are compliant with the list of permissible file types and scan them for viruses prior to storing. This ensures that the personal information of clients is not exposed, and it complies with compliance standards like HIPAA (for health-related data) and GDPR (for EU citizens).
It is essential to be able and able to confirm file types, as attackers are able to “mask” malicious programs by changing the file’s name to acceptable extensions like.jpg or.gif. This means that your solution may not be able of identifying the actual file type and would let it pass through without being detected. You need a file-upload system that also checks the extension of the file in order to prevent this.
A secure encryption of all data both in the air and at rest is another way to defend yourself against a variety of attacks. This transforms messages and files into unreadable code that hackers can’t read even should they gain access.
You can also create a system for uploading files which rejects files that do not conform to your naming conventions. This will help you organize your team and also prevent confidential information from getting exposed in file names.