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<v Instructor>Internal intelligence sources</v>

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include the data and insights gathered

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from within an organization's own network and systems

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to identify potential threats.

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Internal intelligence sources

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include adversary emulation engagements,

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honeypots, and honeynets.

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Adversary emulation engagements

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simulate real-world attacker behavior

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within the network

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to observe how attackers

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might actually exploit vulnerabilities,

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enabling defenses to be put in place.

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Next, honeypots are decoy systems set up

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to attract and detect real attackers

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by mimicking valuable assets.

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Finally, honeynets are networks

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of honeypots designed to be attacked.

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Let's learn more about adversary emulation engagements,

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honeypots, and honeynets.

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First, we have adversary emulation engagements.

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Adversary emulation engagements

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are simulations designed to mimic

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the tactics, techniques, and procedures

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of real-world attackers

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within an enterprise's network.

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The goal is to provide security teams

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with an opportunity to see

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how a specific attacker

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would exploit vulnerabilities,

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and move within the network

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without any actual threat to the organization.

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These engagements allow the security team

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to test their defenses,

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identify weaknesses,

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and improve their response strategies

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by observing how their systems hold up

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under realistic attack scenarios,

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organizations can ensure they are prepared

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for genuine threats.

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To implement adversary emulation engagements,

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a security team would first select or design

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a scenario based on a known threat actor

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or attack vector.

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To do this,

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they could use tools that simulate

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common attack behaviors like lateral movement,

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privilege escalation, or data exfiltration,

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all within a controlled environment.

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Then the security team can monitor

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how the network and its defenses

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respond to the emulated engagement,

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recording any gaps or delays in detection,

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and then correcting them.

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This helps refine detection capabilities

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and improves the response

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to future real-world incidents.

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Overall, adversary emulation engagements

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reveal how well current security measures

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work against known threats.

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The advantage of adversary emulation

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is that these scenarios

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mimic real attacker behavior,

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meaning that defenses are tested

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against the same methods

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attackers will use in the wild.

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So the insights gathered allow teams

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to make necessary adjustments

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before an actual attack occurs,

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improving the overall security posture

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of the organization.

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Second, we have honeypots.

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Honeypots are decoy systems or devices

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set up within an organization's network

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to attract attackers and study their behavior.

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Honeypots mimic real assets

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such as servers or databases,

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but are intentionally left vulnerable,

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or appear as high-value targets to attackers.

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Honeypots are designed to detect unauthorized access,

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gather information about attack methods,

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and divert attackers away from actual systems.

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So by luring attackers into attacking a honeypot,

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organizations can collect detailed information

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about their tactics without risking actual damage

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to important infrastructure.

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To set up a honeypot,

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an organization would place the decoy asset

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in an area of the network

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where it is likely to be discovered by attackers,

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such as within a screened subnet,

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also known as a demilitarized zone,

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or close to other visible systems.

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The honeypot should appear as an attractive target,

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perhaps by emulating a critical server,

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or containing seemingly valuable data.

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It can then be configured to log

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all interactions and activity,

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allowing security teams

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to monitor any suspicious behavior in real time.

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The honeypot's purpose

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is not to actively defend the network,

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but to serve as a decoy tool

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for gathering intelligence,

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and identifying actual attack patterns

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and attack strategies.

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For instance, a company might deploy a honeypot

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designed to mimic a file server

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containing sensitive financial information.

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Then when an attacker tries to access

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or manipulate files in the honeypot,

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the security team can observe

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the exact methods that are being used.

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This real-time intelligence allows the team

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to then adjust firewalls,

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detection systems, and internal policies

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to prevent similar attack techniques

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on their actual production systems.

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Third and last, we have honeynets.

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Honeynets take the decoy concept a step further

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by creating entire networks of honeypots.

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A honeynet is a highly controlled

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and monitored network of multiple honeypots

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that work together to simulate

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an organization's production network.

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Honeynets appear as a legitimate network to attackers,

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but all systems within a honeynet are fake,

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serving only to trap, delay,

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and allow observation of attack methods.

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The idea behind honeynets

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is to provide an environment that entices attackers

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to reveal more complex tactics and techniques,

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offering deeper insights into their operations.

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Setting up a honeynet

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involves creating a realistic network architecture

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that includes different types of honeypots,

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such as web servers, email servers, and databases.

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Each of these components is designed

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to appear as a legitimate part of a network,

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luring attackers in,

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and capturing their actions.

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A honeynet is usually placed

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in a part of the network

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where attackers are likely to interact,

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such as the same space as public-facing servers,

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within a screened subnet,

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or even within an internal network.

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By observing the movement of attackers

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within the honeynet,

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security teams can analyze patterns of attack

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that may not be visible in similar setups

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like single honeypots.

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In this way,

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honeynets can provide in-depth intelligence

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on how attackers escalate privileges,

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pivot between systems,

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and attempt to extract data.

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This helps organizations

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bolster their defenses,

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particularly against complex multi-stage attacks.

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For example, an enterprise might deploy a honeynet

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that mimics their entire internal network,

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including workstations and databases.

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Over time, after initial compromise,

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attackers may attempt to move laterally

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within the honeynet,

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testing different attack vectors.

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The enterprise's security team

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can then analyze the tactics, techniques,

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and procedures used by the attackers,

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allowing them to strengthen real network defenses

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based on what they learned from the honeynet.

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So remember, internal intelligence sources

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refer to the data and insights

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gathered from within an organization's network

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to identify potential threats.

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These sources include adversary emulation engagements,

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honeypots, and honeynets.

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Adversary emulation engagements

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simulate real-world attacker behavior

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to test how well an organization's defenses

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hold up against potential vulnerabilities.

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Next, honeypots are decoy systems

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designed to attract attackers,

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allowing security teams to study their tactics

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without exposing critical assets to risk.

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Finally, honeynets are networks of honeypots

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that provide a more comprehensive view

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of attack methods

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by simulating an entire network environment

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for attackers to target.

