File security c

Specifies the size, in bytes, of the buffer pointed to by the pSecurityDescriptor parameter. A pointer to the variable that receives the number of bytes necessary to store the complete security descriptor. If the returned number of bytes is less than or equal to nLength , the entire security descriptor is returned in the output buffer; otherwise, none of the descriptor is returned. If the function fails, the return value is zero. To get extended error information, call GetLastError.

Low-level Access Control. Low-level Access Control Functions. I have the same question Report abuse. Details required :. Cancel Submit. Zaki J. Are you the Administrator of your computer? To remove the installed webcam program: 1. Visit our Microsoft Answers Feedback Forum and let us know what you think. In fact, click on over to the free Avast Random Password Generator whenever you need one, and instantly get a unique, near-uncrackable password you can use immediately.

Another way to deal with this is to use your Windows software to encrypt an entire folder. This is an easy process to implement and to use. There are also third-party tools you can use for full encryption. To encrypt a file or folder in Windows 7 , 8, or 10, follow these steps:. Right click on the item. Click Properties, then click the Advanced button. Check Encrypt contents to secure data. Windows then asks whether you wish to encrypt the file only, or its parent folder and all the files within it as well.

We recommend you opt for full folder encryption, just to be on the safe side. Now, once you navigate to the encrypted folder, you will see a small yellow lock on the file icon. Also, when you add new content to that folder, it will automatically be encrypted too. To be clear, Windows file encryption protects your files against anyone who gets their hands on your computer.

The encryption is tied to your Windows account, so when you are logged in, the files decrypt on the fly by the operating system. However, if someone were to log in through another account, they would not be able to access files that were encrypted under your username. This is why it is critical to create a strong login password in the first place. Power users can also use this method by LaptopMag. Someone need only log in with your account to access your content.

Read on to find out how to keep your files safe should your account be hacked. These tools offer more security than built-in Windows security features and are highly recommended for sensitive data. A content protection feature for Windows worth looking at is called Folder Lock.

By default, Folder Lock uses a master password to control locked content. Each Locker can be assigned its own password and you can limit the amount of disk space it can take up. Folder Lock comes with a powerful file shredder and a cloud-based backup solution, too.

You can try a demo for free. The interface is extremely simple to use. After installation, the tool will ask you to create a master password to manage all your locked content. All locked folders will no longer be visible on the drive until you unlock them. LocK-A-FoLder is free and is the least resource-hungry folder locker out there, making it an ideal solution for older computers. Finally, passwords are almost always the weakest link in a security chain.

A password strength checker can be of great use here. Online tools like The Password Meter and my1login are great tools to use here.

While strong password protection will be enough for most users, if you have sensitive data, then more advanced methods such as third-party encryption tools can be used to safeguard data.

Beyond regular password protection, you can also use disk-encryption software that offers more robust security measures. These tools can block even the most advanced cold-boot and brute-force attacks, which try to crack passwords and encryption keys using different combinations. This free, open source software can be used on any computer, and virtually any Windows system.

It is essentially a file archiver that uses high compression and strong AES encryption. Your files are protected by being compressed and encrypted, so when you go to access them yourself, you simply need to decompress the file first.

To secure your data with 7-Zip , follow these steps:. Download the latest version of 7-Zip. Run the installation program. In your Windows directory, select 7-Zip File Manager. From the 7-Zip control panel, select the file or folder you would like to protect, and click the Add button. Choose your compression options see image below. A - Type in the name you would like the encrypted file to be named. D - Click OK. Click the Extract button. With support for AES, Serpent, and TwoFish keys, VeraCrypt is a free, cross-platform data security tool that can encrypt your files any way you require.

VeraCrypt comes with full disk encryption but can encrypt at the volume level as well. Users can decide whether they want specific folders encrypted or entire systems.

The software works something like the Daemon tools that can create a virtual CD drive on your computer. Download the setup file for Windows and install the software, then follow these instructions:.

To start, you will need to create a volume — essentially an encrypted folder where your data will go. Click on Create Volume. Select Create an encrypted file container and click Next. VeraCrypt gives you the option to create a normal, visible container or an invisible one.