WHAT IS SMB
What is the SMB protocol? SMB stands for Server Message Block. This protocol enables your devices to communicate with remote computers or servers. In other words, SMB lets you share files. Let’s say you’re sitting in front of your laptop, using a printer connected to the company’s computer. When you print a document, your laptop uses the SMB protocol to send the print request to the company’s computer. Through the same route, your laptop receives a response on whether the file is being printed. There are many variations of the SMB protocol. SMB version one was released by IBM and modified by Microsoft in nineteen-ninety. Microsoft continued improving the protocol — SMB version two boosted the performance, while SMB version three increased the security. And for a good reason. The infamous WannaCry ransomware was an exploit of a vulnerability in SMB version one. WannaCry infected hundreds of thousands of computers and encrypted their data. Users who wanted their data back had to pay a ransom in Bitcoin. If you’re using an older computer, you should make sure to disable the SMB version one. Keep your devices updated and use the newest version of the protocol.
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