Web-style Wireless IDS attacks, Sergey Gordeychik

Modbus, an industrial protocol used for server to client communication, has been used for over 40 years and is still widely deployed in new ICS installations (Mostia, 2019). Modbus can be transported over serial mediums of RS232, RS485, or it can be wrapped in an IEEE 802.3 TCP segment. Within TCP, the typical implementation is Modbus Remote Terminal Unit (RTU) contained in the TCP/IP stack Application layer, which can be easily viewed in Wireshark (Sanchez, 2017). Modbus uses simple function calls combined with data range requests to read and write bits, called coils. Additionally, it can also read and write integers or floats, called registers. When engineers were encapsulating Modbus within TCP, cybersecurity concerns were nonexistent and, therefore, Modbus RTU does not have any built-in security mechanisms (Rinaldi, n.d.). From an ICS security perspective, Modbus is rife with many vulnerabilities and is subject to Probe, Scan, Flood, Authentication Bypass, Spoof, Eavesdrop, Misdirect, Read/Copy, Terminate, Execute, Modify, and Delete attacks (Draias, Serhrouchni, & Vogel, 2015)

Cloud computing is a computing paradigm that shifts drastically from traditional computing architecture. Although this new computing paradigm brings many advantages like utility computing model but the design in not flawless and hence suffers from not only many known computer vulnerabilities but also introduces unique information confidentiality, integrity and availability risks as well due its inherent design paradigm. To provide secure and reliable services in cloud computing environment is an important issue. To counter a variety of attacks, especially large-scale coordinated attacks, a framework of Collaborative Intrusion Detection System (IDS) is proposed. The proposed system could reduce the impact of these kinds of attacks through providing timely notifications about new intrusions to Cloud users' systems. To provide such ability, IDSs in the cloud computing regions both correlate alerts from multiple elementary detectors and exchange knowledge of interconnected Clouds with each other.

Network defense implies a comprehensive set of software tools to preclude malicious entities from conducting activities such as exfiltration of data, theft of credentials, blocking of services and other nefarious activities. For most enterprises at this time, that defense builds upon a clear concept of the fortress approach. Many of the requirements are based on inspection and reporting prior to delivery of the communication to the intended target. These inspections require decryption of packets and this implies that the defensive suite either impersonates the requestor, or has access to the private cryptographic keysof the servers that are the target of communication. This is in contrast to an end-to-end paradigm where known good entities can communicate directly and no other entity has access to the content unless that content is provided to them. There are many new processes that require end-to-end encrypted communication, including distributed computing, endpoint architectures, and zero trust architectures and enterprise level security. In an end-to-end paradigm, the keys used for authentication, confidentiality, and integrity reside only with the endpoints. This paper examines a formulation that allows unbroken communication, while meeting the inspection and reporting requirements of a network defense. This work is part of a broader security architecture termed Enterprise Level Security (ELS)framework.

An Intrusion Detection System (IDS) monitors network traffic and alerts administrators of any suspicious or malicious activity detected. The Advanced Inspection and Prevention – Security Services Module (AIP-SSM) can perform intrusion detection in promiscuous mode, where it monitors traffic without interfering, or intrusion prevention in inline mode, where it actively blocks attacking traffic. The IDS provides benefits like reduced costs from infection cleanup, proactive network protection and monitoring, and near real-time updates to respond quickly to new threats when used alongside a Cisco ASA firewall.

Network defense implies a comprehensive set of software tools to preclude malicious entities from conducting activities such as exfiltration of data, theft of credentials, blocking of services and other nefarious activities. For most enterprises at this time, that defense builds upon a clear concept of the fortress approach. Many of the requirements are based on inspection and reporting prior to delivery of the communication to the intended target. These inspections require decryption of packets and this implies that the defensive suite either impersonates the requestor, or has access to the private cryptographic keysof the servers that are the target of communication. This is in contrast to an end-to-end paradigm where known good entities can communicate directly and no other entity has access to the content unless that content is provided to them. There are many new processes that require end-to-end encrypted communication, including distributed computing, endpoint architectures, and zero trust architectures and enterprise level security. In an end-to-end paradigm, the keys used for authentication, confidentiality, and integrity reside only with the endpoints. This paper examines a formulation that allows unbroken communication, while meeting the inspection and reporting requirements of a network defense. This work is part of a broader security architecture termed Enterprise Level Security (ELS)framework.

This document provides an overview of cyber security challenges for industrial control systems (ICS) and introduces Darktrace's Industrial Immune System as an innovative solution. The key points are: 1) ICS networks face growing threats as they increasingly connect to corporate IT networks and the internet, but existing defenses like firewalls are inadequate. Attacks have caused damage at facilities like power plants and a German steel mill. 2) Darktrace's system implements a real-time "immune system" that analyzes network behavior to establish a baseline and detect anomalies, allowing threats to be identified early before they cause disruption. 3) Unlike rule-based systems, Darktrace adapts over time and can detect "unknown unknown"

This document discusses several topics related to cyber security including: 1. Windows security features such as User Account Control, BitLocker Drive Encryption, and Windows Firewall. 2. Network security challenges such as verifying user identity, protecting against DDoS attacks, and securing web applications. 3. Limitations of today's security solutions and how the modern workplace has increased risks from factors like telecommuting and use of mobile devices. 4. Types of internet security protocols and cryptography techniques as well as common forms of malicious software like viruses, worms, and trojan horses.

This document discusses building an intrusion detection system that combines network-based and log-based detection. It proposes using the Security Onion distribution and its included tools like Snort, Sguil, Squert and OSSEC. It describes configuring Security Onion sensors to monitor network traffic and logs, storing alerts in databases, and using the management consoles to analyze alerts. The goal is to create a comprehensive security monitoring platform through centralized log management and correlation of network and host-based events.

The document discusses the formation of an IoT Security Task Force by the IoT Forum and CISO Platform to develop threat models, controls, and arrangements to improve IoT security. It proposes a "SECURENET" concept involving managed security network providers that would monitor IoT traffic and devices, block suspicious activity, and collaborate to identify security issues. The task force aims to provide fresh thinking around technical and legal approaches to attribute attacks and enable self-defense in IoT networks through a regulatory sandbox and cross-border response protocols. Critiques and improvements are invited.