As PDF is widely used, we should attach importance to PDF protection. In this essay, we will introduce 5 pieces of software to lock and encrypt PDF files.
Now, many companies keep the important files in computers. But this is not an entirely safe way. Data disclosure will occur if we simply save them in the computer. In this essay, we will mainly talk about why files will be stolen and introduces the powerful tools to prevent data breach.
Internet and computer make our life convenient as well as troublesome, especially the problems of information security. Due to the weakness of security consciousness, we accidentally give open a gate to hackers who steal our files and attack our PCs with malware, the branded PC Lenovo included. In this essay, we will talk about how to prevent data leakage from Lenovo.
Now, mobile phone has been the necessity in our life. We chat with the other people, send files and finish office jobs with mobile phone. The problem of mobile phone security comes along with its function upgrade. Once there is the spyware on our mobile phone, the information will be disclosed. In this essay, we will tell you how to check whether there is spyware on our mobile phone.
Sometimes, we control a computer with another computer. Yet, many people don’t know how to realize computer remote control. In this essay, we will talk about computer remote control. Meanwhile, we will point out what should be noted and the solutions.
No matter you are using a Windows or Mac OS computer, you are certainly saving files to the computer. For important files, you probably want to encrypt these files or folders. On the Mac OS computer, the fastest method is to encrypt the disk. However, many of you do not know how to do it. Find how to encrypt a file in Mac OS by encrypting its disk.
Due to security, many users set different passwords for different accounts, which requires memorizing many passwords. This is how the password management App came into being. But which App do you choose to manage the password? Find out the answer in this article.
There are two types of computer system, they are Windows and Mac OS. You probably know the methods to encrypt USB devices in Windows. But how to encrypt a USB drive in Mac OS? Find the detailed steps in this article.
You probably know the methods about how to hide the folder, but not to show the hidden folder. Many of you hide the folders with the built-in function in Windows. However, when you need to use hidden folders again, you don’t know how to display them. Find the answers about how to show hidden folders in Windows 10 here.
When the phone is being monitored, spyware is probably installed in the phone. So what are the features of phone spyware and how does it work? Find the answers in this article.