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Why do attackers target Active Directory first?

Why do attackers target Active Directory first?

High-value ransom theft: Aiming for large-scale information theft from file servers and the shutdown of core systems, seizing administrator privileges of Active Directory that can take over the network.

Active Directory is a convenient system for users and administrators as an authentication infrastructure for authentication and authorization. At the same time, it is also a system that is advantageous for ransomware attackers. By taking over Active Directory, attackers can change user account passwords or create new accounts, allowing them to access the entire system. Once compromised, they can use the organization's management information and user account modification privileges to carry out cross-cutting attacks such as service disruption or interference. As a result, the entire organization can suffer serious impacts on its operations. This document explains the attackers' objectives, the flow of attacks, and at which stages it is possible to prevent damage.

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What are the pitfalls of countermeasures seen from real examples of attacks? (With countermeasure checklist)

What are the pitfalls of countermeasures seen from real examples of attacks? (With countermeasure checklist)

Managing AD is a turning point of fate! Practical security measures to prevent damage caused by mismatched responses, based on S&J's examples of cyber attack responses.

S&J Corporation has provided responses to cyber attacks for numerous companies up to this point. Based on the situation of cyber attack damages reported daily and the actual cases of attacks that S&J has responded to, one of the factors that can lead to suffering from cyber attacks, including ransomware, is the mismatch of response measures. Here, we have prepared a checklist in the form of "checking the company's status" based on the cyber attack flow, allowing you to recognize the current state of your countermeasures. We will also explain the effective monitoring of "Active Directory" as a post-intrusion measure to prevent the expansion of damages.

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Challenges in achieving an effective CSIRT.

Challenges in achieving an effective CSIRT.

Instead of starting from the implementation phase, let's first understand the current situation! Achieving effective and efficient security measures.

I would like to introduce the challenges in realizing an effective CSIRT. Many companies tend to first organize their security operations under the keywords CSIRT and SOC in order to build their own security operation systems. Ideally, it is necessary to set the goals for the security operation policies that should be implemented in-house, define the roles (CSIRT, SOC) towards achieving those goals, and establish the mechanisms for operation. To do this, it is essential to understand the current state of the company's security, determine the policies and priorities, and take action. However, many companies struggle to operate effectively after establishing their systems and face various challenges. 【Phases】 ■ Current Situation Assessment Phase: Extraction of the company's situation and challenges ■ Countermeasure Planning Phase: Formulation of the order of issue resolution and responsible parties ■ System Construction Phase: Building the system decided in the previous phase ■ Operation Phase: Implementation of PDCA *For more details, please download the PDF or feel free to contact us.

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The Basics of Ransomware Countermeasures That You Can't Ask About Now

The Basics of Ransomware Countermeasures That You Can't Ask About Now

Dangerous if you don't know! Essential measures to protect your company from ransomware.

■By the time you realize it, it's too late: The Active Directory server is the first target of attackers. Recently, there have been numerous significant security incidents that greatly impact business continuity for companies. Traditional ransomware would encrypt files and demand a ransom for decryption. However, the new type of ransomware has evolved to first extract information and then encrypt files, publicly disclosing some of the extracted information on the dark web, threatening to release all information unless a ransom is paid. Specifically, these attacks target a large number of organizations indiscriminately, with hackers infiltrating organizations through vulnerabilities or misconfigurations. After taking over the network, they steal a large amount of confidential information. Subsequently, they introduce ransomware, causing large-scale system failures that lead to business shutdowns, or they threaten to publish the stolen information on the dark web to extort ransom. In these incidents, it is often the case that attackers gain administrative privileges over the AD server, which is the core of the system, at an early stage, taking over the network without the affected companies realizing it, preventing them from avoiding business shutdowns or significant damage.

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Aren't you worried about how effective the existing security measures are?

Aren't you worried about how effective the existing security measures are?

Explanation of the cybersecurity measures that should be taken now.

In recent years, digital technologies such as AI, IoT, and big data have become widespread, and the methods and entry points for cyberattacks have also become diverse. In response to the sophistication and cunning of cyberattacks, as well as the frequent occurrence of ransomware attacks regardless of company size, there are voices expressing vague anxieties such as, "I am worried that a security incident might occur," "I want to implement security measures, but I don't know where to start," and "I cannot determine if the current measures are truly effective." Concerns and worries: - I have implemented security products, but I am anxious about whether they are functioning correctly. - What kind of security measures are other companies taking? - Will we be able to respond adequately if an incident occurs? - I want to hire security personnel, but I cannot find suitable candidates. This document explains the cybersecurity measures that should truly be implemented now.

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