What is OAuth (Open Authorization)? OAuth is an open security protocol for token-based authorization and authentication on the Internet. Third-party web services can access external resources without disclosing usernames and passwords. Services from Google, Facebook, or Twitter use OAuth. What is OAuth? OAuth, which stands for “Open Authorization,” is a widely adopted authentication and authorization … Read more
What is A Buffer Overflow? Buffer overflow is a frequently occurring and frequently exploited security vulnerability. A buffer overflow occurs when it is possible to write more data to memory than the designated buffer can hold. This causes adjacent memory areas to be written to with data. The consequences of a buffer overflow can be … Read more
What is An Attack Vector? Attack vector refers to a specific way and/or technique to perform an attack on an IT system. Cybercriminals use attack vectors to compromise or take over foreign computers and systems. Often, the exploitation of one or more attack vectors takes place in multi-step manual or automated procedures. In the cyber … Read more
What is Diffie-Hellman key exchange? Diffie-Hellman key exchange is a method for securely agreeing on a shared session key between two communication partners over a potentially insecure transmission medium. The method is used for numerous cryptographic protocols on the Internet. In the world of secure communication and cryptography, the Diffie-Hellman Key Exchange is a fundamental … Read more
What is Data Security? Like data protection and IT security, data security is a component of information security. The aim is to ensure the confidentiality, integrity, authenticity, and availability of data, regardless of its nature. In contrast to data protection, the focus is not only on personal data. What Is Data Security? Data security refers … Read more
What is Multi-factor authentication (MFA)? Multi-factor authentication (MFA) uses a combination of two or more credentials to verify identity. The security of logon procedures can be significantly increased thanks to MFA. Identity theft is made more difficult. In today’s digital age, security threats and cyberattacks have become increasingly prevalent, making it crucial for individuals and … Read more
What is a Kensington lock? A Kensington lock secures mobile electronic devices against theft. It is a security cable with a lock. At one end, it is firmly connected to the device to be secured; at the other end, it is connected to a stationary object or a fixed mount. In the cyber world where … Read more
What is AES Encryption (Advanced Encryption Standard)? The Advanced Encryption Standard (AES) is a very secure symmetric encryption method. It works with block ciphers and is the successor of the Data Encryption Standard (DES). Worldwide, AES is used in many different areas. In the digital age, the security of data has become paramount. As we … Read more
What is a jailbreak? With a jailbreak, usage restrictions of an iOS-based device such as an iPhone or iPad can be removed. The jailbreak results in additional configuration options and an extended range of functions. Software not authorized by Apple can be installed on the systems. In the realm of smartphones and tablets, jailbreaking is … Read more
What is a computer worm? A computer worm is a malware that copies itself and spreads autonomously without needing a host file. Typical propagation paths of the worm are networks or removable media. The malicious functions of the computer worm can be very diverse. What Is a Computer Worm? A computer worm is a type … Read more
BSI Standard 200-3 is an elementary component of the BSI’s IT-Grundschutz methodology, along with Standards 200-1 and 200-2. The standard contains procedures for performing risk analyses to ensure basic IT protection. The standard bundles all risk-related work steps for implementing IT-Grundschutz. In 2017, standard 200-3 replaced the previous standard 100-3. What is BSI Standard 200-3? … Read more
What is A Hacker? Hackers are technically skilled people in the hardware and software environment. They find vulnerabilities of systems to draw attention to them or to use them for specific purposes such as unauthorized intrusion or to change functions. Hacking is a term that has gained notoriety in recent years, often associated with illegal … Read more
What is end-to-end encryption (E2EE)? End-to-end encryption ensures secure communication between two partners. The two communication partners perform the encryption and decryption of the transmitted information. Other stations involved in the transmission cannot access the information. In today’s digital age, the importance of data security has become paramount. With an ever-increasing volume of sensitive information … Read more
What is PGP? PGP (Pretty Good Privacy) is a program that can be used to both encrypt and sign messages such as emails. It can be used for secure communication and uses asymmetric encryption methods with public and private keys. Imagine sending a letter to a friend, but instead of using a sealed envelope, you … Read more
Metasploit? How do attackers actually build their attacks? The Metasploit framework provides an answer. The versatile tool allows the creation of attack packages, including suitable payloads for attacking a wide variety of targets. Are you intrigued by the world of cybersecurity and ethical hacking? Curious about the tools that experts use to uncover vulnerabilities and … Read more
What is the Tor network? The Tor Network (simply Tor for short) aims to provide anonymous Internet browsing for all users. Tor uses the principle of onion routing to encrypt users’ connections and transfer data on the Internet. In this way, it allows anonymous, secure surfing on the Internet. What is the Tor network? The … Read more
What is a computer virus? A computer virus is a program code that attaches itself to a host file and multiplies itself independently. It changes the functions of the infected computer. It is usually programmed as malware and executes harmful functions or manipulates the computer and its data. In an increasingly interconnected digital world, where … Read more
What is SHA (Secure Hash Algorithm)? The Secure Hash Algorithm exists in various versions and provides hash functions for determining unmistakable check values of digital data. A check value can be used to ensure the integrity of the data. SHA is used for signature procedures, for example. An important property of a hash procedure is … Read more
What is indicator of compromise (IOC)? Indicator of Compromise (IoC) is characteristics and data that indicate that a computer system or network has been compromised. For example, they are unusual network activities, special files, entries in log files, or started processes. The indicators of compromise can be put into a structured form and evaluated automatically. … Read more
What is CCMP? The Counter Mode with Cipher Block Chaining Message Authentication Code Protocol, or CCMP for short, is a security standard for WLANs that is used in the WPA2 (Wi-Fi Protected Access 2) encryption standard. WLANs secured with CCMP are currently considered very secure despite theoretical attack possibilities. What is CCMP? CCMP, which stands … Read more