Thwarted Phishing Attack Shuts the Door to Ransomware

BrainBlog for Open Systems by Jason Bloomberg

No company is immune from a cyberattack, but with a quick response from a managed detection and response (MDR) service, the damage from a recent phishing attack was minimal.

The target: a global manufacturer of appliances for home and commercial use we’ll call Grumbach (companies generally like to remain anonymous when discussing their cybersecurity arrangements, and Grumbach is no exception).

Open Systems has been providing MDR services to Grumbach since early 2021. Grumbach also leverages the vendor’s endpoint and network detection and response (EDR and NDR) services.

Open Systems partners with Microsoft to deliver both its MDR and EDR services. The MDR service leverages Azure Sentinel and Open Systems’ curated workbooks to raise potential issues. The EDR service takes advantage of Microsoft Defender for Endpoint, which provides endpoint protection, endpoint detection and response and vulnerability management.

Cybersecurity tooling, however, is only part of the story. The quick action on the part of Open Systems security operations center (SOC) engineers caught this attack, preventing it from doing untold damage to Grumbach’s systems.

Read the entire article here.

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