|
Alert Correlation
Alert correlation is a type of log analysis. It focuses on the process of clustering alerts (events), generated by NIDS and HIDS computer systems, to form higher-level pieces of information. Example of simple alert correlation is grouping invalid login attempts to report single incident like "10000 invalid login attempts on host X". See also * ACARM * ACARM-ng * OSSIM * Prelude Hybrid IDS Prelude SIEM is a Security information and event management (SIEM). Prelude SIEM is a tool for driving IT security that collects and centralizes information about the company's IT security to offer a single point of view to manage it. It can cre ... * Snort Computer systems {{Computer-security-stub Computer-aided engineering ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Log Analysis
In computer log management and intelligence, log analysis (or ''system and network log analysis'') is an art and science seeking to make sense of computer-generated records (also called log or audit trail records). The process of creating such records is called data logging. Typical reasons why people perform log analysis are: * Compliance with security policies * Compliance with audit or regulation * System troubleshooting * Forensics (during investigations or in response to a subpoena) * Security incident response * Understanding online user behavior Logs are emitted by network devices, operating systems, applications and all manner of intelligent or programmable devices. A stream of messages in time sequence often comprises a log. Logs may be directed to files and stored on disk or directed as a network stream to a log collector. Log messages must usually be interpreted concerning the internal state of its source (e.g., application) and announce security-relevant or operations- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Network Intrusion Detection System
An intrusion detection system (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations. Any intrusion activity or violation is typically either reported to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system combines outputs from multiple sources and uses alarm filtering techniques to distinguish malicious activity from false alarms. IDS types range in scope from single computers to large networks. The most common classifications are network intrusion detection systems (NIDS) and host-based intrusion detection systems (HIDS). A system that monitors important operating system files is an example of an HIDS, while a system that analyzes incoming network traffic is an example of an NIDS. It is also possible to classify IDS by detection approach. The most well-known variants are signature-based detection (recognizing bad patterns, such as exploitation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Host-based Intrusion Detection System
A host-based intrusion detection system (HIDS) is an intrusion detection system that is capable of monitoring and analyzing the internals of a computing system as well as the network packets on its network interfaces, similar to the way a network-based intrusion detection system (NIDS) operates. HIDS focuses on more granular and internal attacks through focusing monitoring host activities instead of overall network traffic. HIDS was the first type of intrusion detection software to have been designed, with the original target system being the mainframe computer where outside interaction was infrequent. One major issue with using HIDS is that it needs to be installed on each and every computer that needs protection from intrusions. This can lead to a slowdown in device performance and intrusion detection systems. Overview A host-based IDS is capable of monitoring all or parts of the dynamic behavior and the state of a computer system, based on how it is configured. Besides suc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ACARM (software)
ACARM (Alert Correlation, Assessment and Reaction Module) is an Open-source software, open source intrusion detection system. It was developed as a part of POSITIF (project), POSITIF project between 2004 and 2007. It was written as a practical proof of concept, presented in the article. Filters architecture The following image shows chain-like architecture for filters, as used in the system. Each alert enters each filter, stays there for a specified amount of time and proceeds further in chain. Main issue with such an approach is that alter can be reported only after its processing is done, which in turn takes at least few minutes. Notes Project is no longer maintained. It has been replaced with new, plug-in-based ACARM-ng (software), ACARM-ng. See also * ACARM-ng (software), ACARM-ng * Intrusion detection system (IDS) * Prelude Hybrid IDS * BEEP References {{Reflist Free software programmed in Java (programming language) Java (programming language) software ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ACARM-ng (software)
ACARM-ng (Alert Correlation, Assessment and Reaction Module - next generation) is an open source IDS/ IPS system. ACARM-ng is an alert correlation software which can significantly facilitate analyses of traffic in computer networks. It is responsible for collection and correlation of alerts sent by network and host sensors, also referred to as NIDS and HIDS respectively. Correlation process aims to reduce the total number of messages that need to be viewed by a system administrator to as few as possible by merging similar events into groups representing logical pieces of malicious activity. History The initial version of ACARM was being developed in the frame of POSITIF European research project between 2004 and 2007. It has been written in Java as a practical proof of concept, presented in the article. Despite its poor scalability and efficiency issues, the software proved to be highly useful. At the end of 2009 it became obvious that the current design had serious short ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
OSSIM
Software release life cycle OSSIM (Open Source Security Information Management) was formerly an open source security information and event management system, integrating a selection of tools designed to aid network administrators in computer security, intrusion detection and prevention. In December, 2024, LevelBlue announced OSSIM is being retired. The project began in 2003 as a collaboration between Dominique Karg, Julio Casal and later Alberto Román. In 2008 it became the basis for their company AlienVault. Following the acquisition of the Eureka project label and completion of R&D, AlienVault began selling a commercial derivative of OSSIM ('AlienVault Unified Security Management'). AlienVault was acquired by AT&T Communications and renamed AT&T Cybersecurity in 2018. In 2024, cybersecurity investor WillJam Ventures officially launched LevelBlue, a joint venture with AT&T, to form a new, standalone managed cybersecurity services business. OSSIM had four major-version r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prelude Hybrid IDS
Prelude SIEM is a Security information and event management (SIEM). Prelude SIEM is a tool for driving IT security that collects and centralizes information about the company's IT security to offer a single point of view to manage it. It can create alerts about intrusions and security threats in the network in real-time using logs and flow analyzers. Prelude SIEM provides multiple tools to do forensic reporting on Big Data and Smart Data to identify weak signals and Advanced Persistent Threats (APT). Prelude SIEM also embeds all tools for the exploitation phase to make work easier for operators and help them with risk management. While a malicious user (or software) may be able to evade the detection of a single intrusion detection system, it becomes exponentially more difficult to get around defenses when there are multiple protection mechanisms. Prelude SIEM comes with a large set of sensors, each of them monitoring different event types. Prelude SIEM permits alert collection ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Snort (software)
Snort is a free open source network intrusion detection system (IDS) and intrusion prevention system (IPS) created in 1998 by Martin Roesch, founder and former CTO of Sourcefire. Snort is now developed by Cisco, which purchased Sourcefire in 2013. In 2009, Snort entered InfoWorld's Open Source Hall of Fame as one of the "greatest ieces ofopen source software of all time". Uses Snort's open-source network-based intrusion detection/prevention system (IDS/IPS) has the ability to perform real-time traffic analysis and packet logging on Internet Protocol (IP) networks. Snort performs protocol analysis, content searching and matching. The program can also be used to detect probes or attacks, including, but not limited to, operating system fingerprinting attempts, semantic URL attacks, buffer overflows, server message block probes, and stealth port scans. Snort can be configured in three main modes: 1. sniffer, 2. packet logger, and 3. network intrusion detection. Sniffer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Systems
A computer is a machine that can be Computer programming, programmed to automatically Execution (computing), carry out sequences of arithmetic or logical operations (''computation''). Modern digital electronic computers can perform generic sets of operations known as Computer program, ''programs'', which enable computers to perform a wide range of tasks. The term computer system may refer to a nominally complete computer that includes the Computer hardware, hardware, operating system, software, and peripheral equipment needed and used for full operation; or to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of Programmable logic controller, industrial and Consumer electronics, consumer products use computers as control systems, including simple special-purpose devices like microwave ovens and remote controls, and factory devices like industrial robots. Computers are at the core of general-purpose devices ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
