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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The Active Directory monitoring service developed based on experience in responding to security incidents can quickly detect signs of ransomware that cannot be detected by SIEM or EDR, preventing damage before it occurs. Our Active Directory monitoring is cost-effective and accurately captures signs compared to general SIEM monitoring that uses a vast amount of Active Directory event logs. If you are considering reviewing your security measures or planning to establish security measures in the future, please feel free to contact us.
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We provide optimal and effective security operation services tailored to our clients' environments and budgets, drawing on our extensive experience as security advisors and in building and operating security measures, as well as incident response in government agencies and large private enterprises. To meet the high demands of our clients, we are actively engaged in the development of our own products and services utilizing AI.