maintenance of access information which consists of four tasks: account ShellA Unix term for the interactive user interface with an operating system. Windows, for example, refers to daemons and System Agents and services. Usually expressed in bits per second. ReconnaissanceReconnaissance is the phase of an attack where an attackers finds new systems, maps out networks, and probes for specific, exploitable vulnerabilities. 1. A network administrator creates a table in a local area network's gateway router that maps the physical machine (or Media Access Control - MAC address) addresses to corresponding Internet Protocol addresses. One-Way FunctionA (mathematical) function, f, which is easy to compute the output based on a given input. English Dictionary Grammar Definition of 'root word' root word in British English (rut wd ) noun linguistics the form of a word after all affixes are removed WebThe meaning of SECURE is free from danger. Word Roots, Suffixes, & Prefixes The shell is the layer of programming that understands and executes the commands a user enters. two basic mechanisms for implementing this service are ACLs and So, in a given message between users, there will be a flow of data through each layer at one end down through the layers in that computer and, at the other end, when the message arrives, another flow of data up through the layers in the receiving computer and ultimately to the end user or program. Frequently used hash functions are MD5 and SHA1. Datagrams or packets are the message units that the Internet Protocol deals with and that the Internet transports. AppletJava programs; an application program that uses the client's web browser to provide a user interface. Cut-ThroughCut-Through is a method of switching where only the header of a packet is read before it is forwarded to its destination. OSI layersThe main idea in OSI is that the process of communication between two end points in a telecommunication network can be divided into layers, with each layer adding its own set of special, related functions. CronCron is a Unix application that runs jobs for users and administrators at scheduled times of the day. ISOInternational Organization for Standardization, a voluntary, non-treaty, non-government organization, established in 1947, with voting members that are designated standards bodies of participating nations and non-voting observer organizations. contain a finite amount of data, the extra information - which has to SpamElectronic junk mail or junk newsgroup postings. Honey potPrograms that simulate one or more network services that you designate on your computer's ports. InternetA term to describe connecting multiple separate networks together. UDP uses the Internet Protocol to get a datagram from one computer to another but does not divide a message into packets (datagrams) and reassemble it at the other end. ZombiesA zombie computer (often shortened as zombie) is a computer connected to the Internet that has been compromised by a hacker, a computer virus, or a trojan horse. OverloadHindrance of system operation by placing excess burden on the performance capabilities of a system component. Depending on the size of the audit trail and the processing ability of the system, the review of audit data could result in the loss of a real-time analysis capability. Wireless Application ProtocolA specification for a set of communication protocols to standardize the way that wireless devices, such as cellular telephones and radio transceivers, can be used for Internet access, including e-mail, the World Wide Web, newsgroups, and Internet Relay Chat. Asymmetric CryptographyPublic-key cryptography; A For example, http://www.pcwebopedia.com/ind . PermutationPermutation keeps the same letters but changes the position within a text to scramble the message. UDP ScanUDP scans perform scans to determine which UDP ports are open. Lightweight Directory Access Protocol (LDAP)A software protocol for enabling anyone to locate organizations, individuals, and other resources such as files and devices in a network, whether on the public Internet or on a corporate Intranet. A set of protocols for managing complex networks. PolymorphismPolymorphism is the process by which malicious software changes its underlying code to avoid detection. Devices are connected to the cable and compete for access using a CSMA/CD protocol. If dump levels are used, incremental backups only backup files changed since last backup of a lower dump level. One-Way EncryptionIrreversible transformation of plaintext to cipher text, such that the plaintext cannot be recovered from the cipher text by other than exhaustive procedures even if the cryptographic key is known. It uses inodes (pointers) and data blocks. Many e-mail programs now have a finger utility built into them. DumpSecDumpSec is a security tool that dumps a variety of information about a system's users, file system, registry, permissions, password policy, and services. An autonomous At the pseudo website, transactions can be mimicked and information like login credentials can be gathered. Stateful InspectionAlso referred to as dynamic packet filtering. For example, the network mask for a class C IP network is displayed as 0xffffff00. A kernel can be contrasted with a shell, the outermost part of an operating system that interacts with user commands. Layer 3: The network layerThis layer handles the routing of the data (sending it in the right direction to the right destination on outgoing transmissions and receiving incoming transmissions at the packet level). The word in the example sentence does not match the entry word. OctetA sequence of eight bits. Digital CertificateA digital certificate is an electronic "credit card" that establishes your credentials when doing business or other transactions on the Web. Any network providing switched communications service. Echo ReplyAn echo reply is the response a machine that has received an echo request sends over ICMP. For example, if a corporation has LANs at several different sites, each connected to the Internet by a firewall, the corporation could create a VPN by (a) using encrypted tunnels to connect from firewall to firewall across the Internet and (b) not allowing any other traffic through the firewalls. It has a number chosen at random that is greater than 1023. freedom from danger, risk, etc. Public KeyThe publicly-disclosed component of a pair of cryptographic keys used for asymmetric cryptography. Reverse LookupFind out the hostname that corresponds to a particular IP address. Point-to-Point Protocol (PPP)A protocol for communication between two computers using a serial interface, typically a personal computer connected by phone line to a server. Switched NetworkA communications network, such as the public switched telephone network, in which any user may be connected to any other user through the use of message, circuit, or packet switching and control devices. publicly-disclosed, symmetric encryption algorithm. HostAny computer that has full two-way access to other computers on the Internet. Cryptographic Algorithm or HashAn algorithm that employs the science of cryptography, including encryption algorithms, cryptographic hash algorithms, digital signature algorithms, and key agreement algorithms. Symbolic LinksSpecial files which point at another file. CellA cell is a unit of data transmitted over an ATM network. Also see "hash functions" and "sha1". Basic telecommunications, telephone and utility connectivity might need turning on to continue some, but not all primary site operations. According to Gartner Cybersecurity refers to the systems, technologies, processes, governing policies, and human activity that an organization uses to safeguard its digital assets . According to Cisco for the Internet and is the protocol used between Internet service B1 [ U ] protection of a person, building, organization, or country against threats such as crime or attacks by foreign countries: The station was closed for two authorized use. Measures of Effectiveness (MOE)Measures of Effectiveness is a probability model based on engineering concepts that allows one to approximate the impact a give action will have on an environment. Shadow Password FilesA system file in which encryption user password are stored so that they aren't available to people who try to break into the system. ensure, insure, assure, secure mean to make a thing or person sure. It also has active programs for encouraging and assisting industry and science to develop and use these standards. Routing Information Protocol (RIP)Routing Information Protocol is a distance vector protocol used for interior gateway routing which uses hop count as the sole metric of a path's cost. Jump BagA Jump Bag is a container that has all the items necessary to respond to an incident inside to help mitigate the effects of delayed reactions. While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet. Each communicating user or program is at a computer equipped with these seven layers of function. IETF members are drawn from the Internet Society's individual and organization membership. In this attack the second fragment contains incorrect offset. Central banks joined the fray, liquidating their foreign securities to avoid capital losses in the event of a foreign devaluation. An Internet Document can be submitted to the IETF by anyone, but the IETF decides if the document becomes an RFC. WebThe root loc is easily recalled through the word place, since a place is simply a location where something or someone is. Tunneling can move data between computers that use a protocol not supported by the network connecting them. WebWhat is the root word of security? AuthenticityAuthenticity is the validity and conformance of the original information. The use of special paper and printing techniques provide, Project managers must then make sure that both hardware and software components of the system are being tested thoroughly and that. A filtering router does the same, but first decides whether the packet should be forwarded at all, according to some security policy. It packages your computer's TCP/IP packets and forwards them to the server where they can actually be put on the Internet. Web1 : the quality or state of being secure: such as a : freedom from danger : safety b : freedom from fear or anxiety c : freedom from the prospect of being laid off job security 2 a : OSI divides telecommunication into seven layers. Root words are also useful for creating new words, especially in technology and medicine, where new innovations occur frequently.Think of the Greek root word tele, which means "far," and inventions that traverse long distances, such as the telegraph, telephone, and television.The word "technology" itself is a combination of two other Blue TeamThe people who perform defensive cybersecurity tasks, including placing and configuring firewalls, implementing patching programs, enforcing strong authentication, ensuring physical security measures are adequate and a long list of similar undertakings. Brute ForceA cryptanalysis technique or other TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent. ConfidentialityConfidentiality is the need to ensure that information is disclosed only to those who are authorized to view it. Network Address TranslationThe translation of an Internet Protocol address used within one network to a different IP address known within another network. (This kind of protocol is referred to as connectionless.). administration, maintenance, monitoring, and revocation. FloodingAn attack that attempts to cause a failure in (especially, in the security of) a computer system or other data processing entity by providing more input than the entity can process properly. The kind of response received indicates whether the port is used and can therefore be probed for weakness. TCP WrapperA software package which can be used to restrict access to certain network services based on the source of the connection; a simple tool to monitor and control incoming network traffic. Eventually, if it gains enough interest, it may evolve into an Internet standard. Personal FirewallsPersonal firewalls are those firewalls that are installed and run on individual PCs. Also see "regression testing". communication channel to pass data through the channel in a given The Like other private key cryptographic methods, both the sender and the receiver must know and use the same private key. DaemonA program which is often started at the time the system boots and runs continuously without intervention from any of the users on the system. Secure WebComputer Security Resource Center. Secure Electronic Transactions (SET)Secure Electronic Transactions is a protocol developed for credit card transactions in which all parties (customers, merchant, and bank) are authenticated using digital signatures, encryption protects the message and provides integrity, and provides end-to-end security for credit card transactions online. WHOISAn IP for finding information about resources on networks. Hybrid AttackA Hybrid Attack builds on the dictionary attack method by adding numerals and symbols to dictionary words. Subscribe to America's largest dictionary and get thousands more definitions and advanced searchad free! EncryptionCryptographic transformation of data (called "plaintext") into a form (called "cipher text") that conceals the data's original meaning to prevent it from being known or used. SwitchA switch is a networking device that keeps track of MAC addresses attached to each of its ports so that data is only transmitted on the ports that are the intended recipient of the data. Identity Root - NIST Computer Security Resource Center | CSRC Latin securus safe, secure, from se without + cura care more at suicide, circa 1545, in the meaning defined at sense 2c, 1588, in the meaning defined at transitive sense 1a. (Most of the time.). First, the returns may not be comparable because we are generating returns on securities with payoffs denominated in terms of the consumption good. It contains your name, a serial number, expiration dates, a copy of the certificate holder's public key (used for encrypting messages and digital signatures), and the digital signature of the certificate-issuing authority so that a recipient can verify that the certificate is real. Proxy ServerA server that acts as an intermediary between a workstation user and the Internet so that the enterprise can ensure security, administrative control, and caching service. When packet is reconstructed, the port number will be overwritten. Radiation MonitoringRadiation monitoring is the process of receiving images, data, or audio from an unprotected source by listening to radiation signals. Proprietary InformationProprietary information is that information unique to a company and its ability to compete, such as customer lists, technical data, product costs, and trade secrets. Understanding Cybersecurity or Cyber Security Let us see how popular research companies define cybersecurity (spelled as one word). secure (v.) c. 1600, "to make safe, guard from danger," from secure (adj.). Its purpose is to guide product implementers so that their products will consistently work with other products. TLS is the successor to the Secure Sockets Layer. inflammation. This is different than cryptography, which hides the meaning of a message but does not hide the message itself. HTTP ProxyAn HTTP Proxy is a server that acts as a middleman in the communication between HTTP clients and servers. Day ZeroThe "Day Zero" or "Zero Day" is the day a new vulnerability is made known. Secure Shell (SSH)A program to log into another computer over a network, to execute commands in a remote machine, and to move files from one machine to another. IntranetA computer network, especially one based on Internet technology, that an organization uses for its own internal, and usually private, purposes and that is closed to outsiders. WebRoot is the name of the administrator account in Unix systems. Layer 2 Forwarding Protocol (L2F)An Internet protocol (originally developed by Cisco Corporation) that uses tunneling of PPP over IP to create a virtual extension of a dial-up link across a network, initiated by the dial-up server and transparent to the dial-up user. Internet StandardA specification, approved by the IESG and published as an RFC, that is stable and well-understood, is technically competent, has multiple, independent, and interoperable implementations with substantial operational experience, enjoys significant public support, and is recognizably useful in some or all parts of the Internet. regression analysisThe use of scripted tests which are used to test software for all possible input is should expect. A preamble defines a specific series of transmission pulses that is understood by communicating systems to mean "someone is about to transmit data". Diffie-HellmanA key agreement algorithm published in 1976 by Whitfield Diffie and Martin Hellman.