Which of the following information security controls creates an appealing isolated environment for hackers to prevent them from compromising critical targets while simultaneously gathering information about the hacker?

Which of the following information security controls creates an appealing isolated environment for hackers to prevent them from compromising critical targets while simultaneously gathering information about the hacker?

Option 1 : Honeypot
Option 2 : Botnet
Option 3 : Intrusion detection system
Option 4 : Firewall
1. Honeypot

A honeypot may be a trap that an IT pro lays for a malicious hacker, hoping that they will interact with it during a way that gives useful intelligence. It’s one among the oldest security measures in IT, but beware: luring hackers onto your network, even on an isolated system, are often a dangerous game.
honeypot may be a good starting place: “A honeypot may be a computer or computing system intended to mimic likely targets of cyberattacks.” Often a honeypot are going to be deliberately configured with known vulnerabilities in situation to form a more tempting or obvious target for attackers. A honeypot won’t contain production data or participate in legitimate traffic on your network — that’s how you’ll tell anything happening within it’s a results of an attack. If someone’s stopping by, they’re up to no good.
That definition covers a various array of systems, from bare-bones virtual machines that only offer a couple of vulnerable systems to ornately constructed fake networks spanning multiple servers. and therefore the goals of these who build honeypots can vary widely also , starting from defense thorough to academic research. additionally , there’s now an entire marketing category of deception technology that, while not meeting the strict definition of a honeypot, is certainly within the same family. But we’ll get thereto during a moment.
honeypots aim to permit close analysis of how hackers do their dirty work. The team controlling the honeypot can watch the techniques hackers use to infiltrate systems, escalate privileges, and otherwise run amok through target networks. These sorts of honeypots are found out by security companies, academics, and government agencies looking to look at the threat landscape. Their creators could also be curious about learning what kind of attacks are out there, getting details on how specific sorts of attacks work, or maybe trying to lure a specific hackers within the hopes of tracing the attack back to its source. These systems are often inbuilt fully isolated lab environments, which ensures that any breaches don’t end in non-honeypot machines falling prey to attacks.
Production honeypots, on the opposite hand, are usually deployed in proximity to some organization’s production infrastructure, though measures are taken to isolate it the maximum amount as possible. These honeypots often serve both as bait to distract hackers who could also be trying to interrupt into that organization’s network, keeping them faraway from valuable data or services; they will also function a canary within the coalpit , indicating that attacks are underway and are a minimum of partially succeeding.

2. Botnet

Botnets are a posh and continuously evolving challenge to user confidence and security on the web . Combating botnets requires cross-border and multidisciplinary collaboration, innovative technical approaches, and therefore the widespread deployment of mitigation measures that respect the elemental principles of the web .
A botnet may be a collection of Internet-connected user computers (bots) infected by malicious software (malware) that permits the computers to be controlled remotely by an operator (bot herder) through a Command-and-Control (C&C) server to perform automated tasks, like stealing information or launching attacks on other computers. Botnet malware is meant to offer its operators control of the many user computers directly . this permits botnet operators to use computing and bandwidth resources across many various networks for malicious activities.
Historically, botnets mainly are wont to originate and propagate spam messages. they will be used for several malicious purposes, including to steal personal data and passwords, attack public and personal networks, exploit users’ computing power and Internet access, and perform Distributed Denial of Service (DDoS) attacks. briefly , botnets are a posh and continuously evolving problem that poses a threat to user confidence within the Internet.
Various techniques are wont to infect computers in order that they become bots, including luring users into downloading malware, exploiting Internet browser vulnerabilities, and tricking users into loading malware (e.g., as a results of opening an infected email attachment). Botnet malware is usually designed to run within the background so users are unaware that their systems are infected.
Although botnets pose threats to Internet users and are difficult to eliminate, steps are often taken to scale back their impact and associated risks.

3. Intrusion detection system

An intrustion detection system (IDS) may be a software application or hardware appliance that monitors traffic moving on networks and thru systems to look for suspicious activity and known threats, sending up alerts when it finds such items.
“The overall purpose of an IDS is to tell IT personnel that a network intrusion could also be happening . Alerting information will generally include information about the source address of the intrusion, the target/victim address, and sort of attack that’s suspected,” said Brian Rexroad, vice chairman of security platforms for AT&T.
Each IDS is programmed to research traffic and identify patterns therein traffic which will indicate a cyberattack of varied sorts.
An IDS can identify “traffic that would be considered universally malicious or noteworthy,” explained Judy Novak, a senior instructor with the cybersecurity training institute SANS and author of SANS SEC503: Intrusion Detection In-Depth, like a phishing attack link that downloads malicious software. Additionally, an IDS can detect traffic that’s problematic to specific software; so it might alert IT if it detects a known attack against the Firefox browsers in use at a corporation (but shouldn’t alert if the corporate uses a special browser).

Types of IDS

Intrusion detection software systems are often broken into two broad categories: host-based and network-based; those two categories speak to where sensors for the IDS are placed (on a host/endpoint or on a network).
Some experts segment the market even further, also listing perimeter IDS, VM-based IDS, stack-based IDS, signature-based IDS and anomaly-based IDS (with similar abbreviations like the IDS’ descriptive prefixes).
Whatever the type, analysts said the technology generally works an equivalent , with the system designed to detect intrusions at the points where the sensors are place and to alert security analysts to its finding.

4. Firewall

A firewall may be a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets supported a group of security rules. Its purpose is to determine a barrier between your internal network and incoming traffic from external sources (such because the internet) so as to dam malicious traffic like viruses and hackers.

How does a firewall work?

Firewalls carefully analyze incoming traffic supported pre-established rules and filter traffic coming from unsecured or suspicious sources to stop attacks. Firewalls guard traffic at a computer’s entry point, called ports, which is where information is exchanged with external devices. for instance , “Source address is allowed to succeed in destination over port 22.”
Think of IP addresses as houses, and port numbers as rooms within the house. Only trusted people (source addresses) are allowed to enter the house (destination address) at all—then it’s further filtered in order that people within the house are only allowed to access certain rooms (destination ports), counting on if they’re the owner, a child, or a guest. The owner is allowed to any room (any port), while children and guests are allowed into a particular set of rooms (specific ports).

Types of firewalls

Firewalls can either be software or hardware, though it’s best to possess both. A software firewall may be a program installed on each computer and regulates traffic through port numbers and applications, while a physical firewall may be a piece of kit installed between your network and gateway.

Packet-filtering firewalls, the foremost common sort of firewall, examine packets and prohibit them from passing through if they don’t match a longtime security rule set. this sort of firewall checks the packet’s source and destination IP addresses. If packets match those of an “allowed” rule on the firewall, then it’s trusted to enter the network.
Packet-filtering firewalls are divided into two categories: stateful and stateless. Stateless firewalls examine packets independently of 1 another and lack context, making them easy targets for hackers. In contrast, stateful firewalls remember information about previously passed packets and are considered far more secure.
While packet-filtering firewalls are often effective, they ultimately provide very basic protection and may be very limited—for example, they can not determine if the contents of the request that’s being sent will adversely affect the appliance it’s reaching. If a malicious request that was allowed from a trusted source address would end in , say, the deletion of a database, the firewall would haven’t any way of knowing that. Next-generation firewalls and proxy firewalls are more equipped to detect such threats.
Next-generation firewalls (NGFW) combine traditional firewall technology with additional functionality, like encrypted traffic inspection, intrusion prevention systems, anti-virus, and more. Most notably, it includes deep packet inspection (DPI). While basic firewalls only check out packet headers, deep packet inspection examines the info within the packet itself, enabling users to more effectively identify, categorize, or stop packets with malicious data. study Forcepoint NGFW here.
Proxy firewalls filter network traffic at the appliance level. Unlike basic firewalls, the proxy acts an intermediary between two end systems. The client must send an invitation to the firewall, where it’s then evaluated against a group of security rules then permitted or blocked. Most notably, proxy firewalls monitor traffic for layer 7 protocols like HTTP and FTP, and use both stateful and deep packet inspection to detect malicious traffic.
Network address translation (NAT) firewalls allow multiple devices with independent network addresses to attach to the web employing a single IP address, keeping individual IP addresses hidden. As a result, attackers scanning a network for IP addresses can’t capture specific details, providing greater security against attacks. NAT firewalls are almost like proxy firewalls therein they act as an intermediary between a gaggle of computers and out of doors traffic.
Stateful multilayer inspection (SMLI) firewalls filter packets at the network, transport, and application layers, comparing them against known trusted packets. Like NGFW firewalls, SMLI also examine the whole packet and only allow them to pass if they pass each layer individually. These firewalls examine packets to work out the state of the communication (thus the name) to make sure all initiated communication is merely happening with trusted sources.

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