security solutions

Regarding the topic of wireless presentation security, many office workers or users of related equipment often encounter this topic, and there are some issues that make people feel uneasy. Wireless presentation means that the content (content) in the device can be transmitted to a large screen, projector, or other display device for display without going through those long cables. This makes it easier for people to share information

In this wireless demonstration, there are several major aspects of security that need to be clarified.

1. (Connection aspect):

The first is the connection password part. You must set a password with sufficient strength. It is not the kind of password that can be guessed casually using "". It is best to use a complex password that combines letters, numbers and punctuation. Let’s think about it, for example, if there are often different people connecting wirelessly for presentations in a conference room, there may be someone who wants to crack the password of our device connection, so beware of this! Secondly, you should also pay attention to some (suspicious messages) that may pop up during the connection process. If there are some unclear messages saying that it is not safe or something that is not clear during the connection, you must pay attention to it and do not continue to connect in a daze.

2. (Equipment safety):

Make sure that both the sending and receiving end devices have timely updates (as for anti-virus software) and security patches. Many times, some device manufacturers will research and discover vulnerabilities in their devices and then release updates to fix these problems. If you do not update the relevant software on your device, you may be exploited by criminals. For example, if the computer has not been updated with wireless transmission security (patches) for a long time, some hackers (hacker programs) may take advantage of the demonstration process to access and obtain the demonstration content.

In addition, in terms of device security, permissions must be set clearly. Some places have different levels of privi lige (say, wireless connection permissions). You have to figure out who has what permissions to come in and perform wireless demonstrations! Some low-level employees should not have access to high-level sensitive information.

3. Data (data protection):

Encrypting data at the sender side requires careful setting of encryption parameters when wirelessly transmitting data to the sender side. Generally speaking, there are several mature encryption algorithms and encryption technologies that can allow data to be transmitted as if it were locked in a small safe.

Similarly, on the receiving end, there must be appropriate methods and skills. Otherwise, if the encryption algorithm of the receiving device is wrong, or the decryption method is not correct, the data may not be decipherable once it is passed through, and the demonstration will be terrible.

<Q&A session>

1. Ask a company where several people may use wireless demonstrations, how can one device configure separate security things for everyone .

Answer: First, the device can set permission groups. For example, different departments can be divided into different groups, or people in different locations can also be grouped. There is another way to let employees register their own accounts and log in before making wireless demo connections (demo connections). Through the account system, they can be associated with corresponding security rule settings and so on.

2. What should I do if there is a disconnection during the connection process and it seems to be connected by some unknown link?

Answer: First of all, you can directly cut off the current power supply and cut off the power for a short while. In many cases, some intrusive connections can be stopped (stopped); then carefully check the security log to see what kind of source sends those abnormal connections (signals); you also need to re-evaluate whether the settings are too arbitrary or something. In addition, if there is a possibility of data leakage, you need to notify colleagues who specialize in maintaining security information.

3. Tell me what wireless security matters you need to check and confirm after the demonstration.

It is necessary to confirm the connection history of some devices and delete unnecessary records, otherwise others may view these historical connection records. If the device can export connection data, what is more important to prevent the information from being used by interested parties. Also, uninstall the current (wireless profile) to prevent it from being accidentally turned on or hacked.

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Let’s look back at the whole thing about wireless demonstration security. In fact, although it seems to be a small process, every link cannot be neglected. Although the process may be a little troublesome, it is necessary to take relevant safety measures step by step! It can really avoid some unexpected emergencies and make your data and demonstration process much more stable and smooth. Don’t always think that problems won’t happen, but it’s useless to regret not doing the preliminary safety procedures when something does go wrong. To nip problems in the bud, pay more attention to the small but important details of wireless presentations.