What Is?

Transport Layer Security (TLS) is a commonly used encryption protocol for sending secure data across the internet, and is the replacement for Netscape’s earlier Secure Sockets Layer (SSL) standard. The TLS protocol is based on Netscape’s SSL 3.0 protocol; however, TLS and SSL are not interoperable. The TLS protocol
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The PCI DSS, a set of comprehensive requirements for enhancing payment account data security, was developed by the founding payment brands of the PCI Security Standards Council, including American Express, Discover Financial Services, JCB International, MasterCard Worldwide and Visa Inc. Inc. International, to help facilitate the broad adoption of consistent
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Denial of Service or Distributed Denial of Service (DoS / DDoS) is a method of attack used by computer hackers to render a computer or web server unusable by its intended users. The motives for Denial of Service attacks vary, but generally the aim of an attack is to prevent an
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Unified Threat Management (UTM) is a term given to a computer hardware appliance which is used to provide firewall, spam filtering, gateway anti-virus protection, and intrusion detection / prevention functionality. These are application layer firewalls that use proxies to process and forward all incoming traffic, though they can still frequently work
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Peer-to-Peer (P2P) networking is a method of delivering computer network services in which the participants share a portion of their own resources, such as processing power, disk storage, network bandwidth, printing facilities. Such resources are provided directly to other participants without intermediary network hosts or servers. Peer-to-peer network participants
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In an asymmetric cipher, the encryption key and the decryption keys are separate. In an asymmetric system, each person has two keys. One key; the public key, is shared publicly. The second key; the private key, should never be shared with anyone. When you send a message using asymmetric cryptography,
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A Firewall is a collection of various different security measures which are designed to prevent unauthorized access to a computer system that is connected to a LAN or WAN. Designed to prevent unauthorized access to or from a private network, firewalls can be implemented as either a hardware appliance, software
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A Proximity Card (often shortened to Prox card) is a general name for a contactless integrated circuit device which can be used for security access or payment systems. It can refer to older 125 kHz devices, or newer 13.56 MHz contactless RFID cards, most commonly known as contactless smartcards. Many organisations use
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Biometrics (sometimes known as Bio-Identification) uses the physical characteristics of an individual human being to verify their identity and authenticate. Most Biometric systems use fingerprints or handprints for identification, but there are more advanced Biometric systems which can measure a user’s voice, features of their eyes, or the geometry
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The term ‘Crimeware’ is used to describe a type of malicious software Malware designed with the primary intention or stealing data and automating financial crime. Examples of Crimeware include: Keystroke logging software used to capture sensitive data such as login and password details for online bank accounts which is then
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