IT Management & Cyber Security

In this Sniffing article you will learn about Protocols vulnerable, Hardware Protocol Analyzers, Wiretapping and its methods, Types of Wiretapping and Lawful Interception Protocols vulnerable to Sniffing. Vulnerable to sniffing The following protocols are vulnerable to sniffing. The most reason for vulnerable to Sniffing these protocols is to accumulate passwords: Telnet   and   Rlogin Telnet may be a protocol used for communicating with a remote host (via port no. 23) on a network by using a instruction terminal. Rlogin enables an attacker to log into a network machine remotely via TCP connection. The protocols fail to supply encryption; therefore the data traversing between the clients connected through any of those protocols is in plain text and vulnerable to Sniffing, Attackers can sniff keystrokes including usernames and passwords. HTTP Due to  vulnerabilities  within the default version of HTTP, websites implementing HTTP transfer user data a...

What is a sniffer in hacking? This section describes network sniffing and threats, how a sniffer works, active and passive sniffing, how an attacker hacks a network using sniffers, protocols susceptible to sniffing, sniffing within the data link layer of the OSI model, hardware protocol analyzers, SPAN ports, wiretapping, and lawful interception. Network Sniffing Packet sniffing may be a process of monitoring and capturing all data packets passing through a given  network sniffer   by using a software application or a hardware device, Sniffing is simple in hub-based networks, because the traffic on a segment passes through all the hosts related to that segment. However, most networks today work on switches.  A switch is a complicated computer networking device. the main difference between a hub and a switch is that a hub transmits line data to every port on the machine and has no line mapping, whereas a switch looks at the Media Access Control (MAC) address...

In preparation for hacking a system, attackers follow a particular methodology. They first obtain information during the foot printing, scanning, and enumeration phases, which they then use to take advantage of the target system. There are three steps within the CEH Hacking Methodology (CHM): Gaining Access:- Involves gaining access to low-privileged user accounts by cracking passwords through techniques like brute-forcing, password guessing, and social engineering, then escalating their privileges to administrative levels, to perform a protected operation. Maintaining Access:- After successfully gaining access to the target system, attackers work to keep up high levels of access to perform malicious activities like executing malicious applications and stealing, hiding, or tampering with sensitive system files.  Clearing Logs:- To maintain future system access, attackers plan to avoid recognition by legitimate system users. to stay undetected, attackers w...

Implementation of a threat intelligence program is a dynamic process that gives organizations with valuable insights based on the investigation of discourse threats and risks that area unit used to enhance the safety posture. Before implementing the threat intelligence program, organizations have to be compelled to prepare associate acceptable set up. Firstly, the organization has to decide the aim of extracting threat intelligence and who are going to be concerned in planning the threat intelligence program. This section provides a summary of various topics associated with coming up with and development of a threat intelligence program. It discusses concerning getting ready folks, processes, and technology; developing a set plan; planning the threat intelligence program; coming up with the budget; developing a communication attempt to update achieve stakeholders; and concerns for aggregating threat intelligence and factors for choosing threat intelligence platform. It conjointl...

Most of the systems store information associated with this session in temporary type across registries, cache, and RAM. This information is well lost once the user switches the system off, leading to loss of the session data. Therefore, the primary responders got to extract it as a priority.This section explains why volatile information is vital, order of volatility, volatile information assortment methodology, and collection volatile data alongside tools. Why Volatile information Important? Volatile data refers to the data hold on within the registries, cache, and RAM of digital devices. This data is lost or erased whenever the system is turned off or rebooted. The volatile data is dynamic in nature and keeps on dynamic with time; therefore, the incident responders/ investigators ought to be able to collect the information in real time. Volatile information exists within the physical memory or RAM and consists of method data, process-to-port mapping, method memory, network co...

Data leakage is that the unauthorized transmission of knowledge from at intervals and organization to an external destination or recipient. The term are often used to describe knowledge that's transferred electronically or physically. Knowledge escape threats sometimes occur via the web and email, however may occur via mobile knowledge storage devices like optical media, USB keys, and laptops. Barely daily goes by while not a confidential knowledge breach hitting the headlines. Knowledge escape, conjointly called low and slow knowledge theft, is a vast drawback for knowledge security , and therefore the injury caused to any organization, despite size or industry, are often serious. From declining revenue to a tarnished reputation or massive monetary penalties to crippling lawsuits, this can be a threat that any organization can want to shield themselves from. Data leakage refers to unauthorized access or disclosure of sensitive or confidential data. Advancement in infor...

• Data hiding in file system Structures Data hiding is one in all the anti-forensic techniques utilized by attackers to form knowledge inaccessible. NTFS-based exhausting disks contain unhealthy clusters during a data file as $BadClus and also the MFT entry eight represents these bad clusters. $BadClus could be a sparse file, that permits attackers to cover unlimited information further as portion a lot of clusters to $BadClus to cover a lot of information. • Trail Obfuscation Trail Obfuscation is one in every of the anti-forensic techniques that attackers use to mislead, complicate, disorient, sidetrack, and/or distract the rhetorical examination method. the method involves totally different techniques and tools, such as: Log cleaners Spoofing Misinformation Backbone hopping Zombie accounts Trojan commands  In this method, the attackers delete or modify information of some vital files so as to confuse the incident res-ponders. They modify header data and file ...