A brief intro of FileZilla FileZilla is the open source FTP client program. It uses FTP/SFTP protocol to transfer the files. It allows us to securely transfer files from the local computer to the remote computer. It is mostly used by the web developers in the uploading, downloading and editing web pages. Webpages are stored … Read more
Visual Studio Code is an open-source cross-platform code editor developed by Microsoft. It has a built-in debugging support, embedded Git control, syntax highlighting, code completion, integrated terminal, code refactoring and snippets. The easiest and recommended way to install Visual Studio Code on Ubuntu machines is to enable the VS Code repository and install the VS … Read more
Ongoing patching is perhaps the best thing you can do to enhance and maintain the security of your Linux systems. Regardless of the Linux distribution you use, using a tool to assist in your patching efforts makes your job a lot easier. Distribution updates The distribution process is different on every distribution of Linux. You … Read more
RPC and other vulnerable daemons are common targets for buffer-overflow attacks. Buffer overflow attacks are often how the hacker can get in to modify system files, read database files, and more. Attacks In a buffer overflow attack, the attacker either manually sends strings of information to the victim Linux machine or writes a script to … Read more
Vulnerabilities and attacks against Linux are creating business risks in a growing number of organizations — especially e-commerce companies, network and IT/security vendors, and cloud service providers that rely on Linux for many of their systems, including their own products. When Linux systems are hacked, the victim organizations can experience the same side effects as … Read more
You can implement various operating system security measures to ensure that passwords are protected. Windows The following countermeasures can help prevent password hacks on Windows systems: Some Windows passwords can be gleaned by simply reading the cleartext or crackable ciphertext from the Windows Registry. Secure your registries by doing the following: Allow only administrator access. … Read more
Whatever your computer- and network-security technology, practically any hack is possible if an attacker is in your building or data center. That’s why looking for physical security vulnerabilities and fixing them before they’re exploited is so important. In small companies, some physical security issues might not be a problem. Many physical security vulnerabilities depend on … Read more
Social engineering will put your layered defenses to the true test. Even with strong security controls, a naïve or untrained user can let the social engineer into the network. Never underestimate the power of social engineers — and that of your users and helping them get their way. Policies Specific policies help ward off social … Read more
People use social engineering to break into systems and attain information because it’s often the simplest way for them to get what they’re looking for. They’d much rather have someone open the door to the organization than physically break in and risk being caught. Security technologies such as firewalls and access controls won’t stop a … Read more
As part of mapping out your network, you can search public databases and resources to see what other people know about your systems. WHOIS The best starting point is to perform a WHOIS lookup by using any one of the tools available on the Internet. In case you’re not familiar, WHOIS is a protocol you … Read more