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The Big Data Blog


Understanding Google Workspace Structure from a Cloud Forensics Lens
In this new series, we'll be diving deep into investigation and forensics within Google Workspace (the Google ecosystem). So tighten your seatbelt—let's go! When diving into cloud forensics—especially in Google Workspace—there’s a lot more to unravel than just user credentials or login timestamps. One of the most overlooked but crucial areas is how permissions are managed within the environment. let's break down two key building blocks of Google Workspace that matter a lot
Jan 304 min read


Let’s Go Practical: Working with NetFlow Using nfdump Tools
Enough theory. Now let’s actually touch NetFlow data . If you’re doing DFIR, threat hunting, or even basic network investigations, one toolkit you must be comfortable with is the nfdump suite. This suite gives you three extremely important tools: nfcapd – the collector nfpcapd – the pcap-to-NetFlow converter nfdump – the analysis engine ----------------------------------------------------------------------------------------------------------- nfcapd: The NetFlow Collector (W
Jan 216 min read


Where NetFlow Either Shines or Struggles
Let’s talk about where NetFlow either becomes incredibly powerful… or painfully slow. Most NetFlow analysis are done on GUI: browser-based or thin clients that are basically a browser wrapped with authentication, branding, and access control Nothing wrong with that — in fact, it makes a lot of sense. In most deployments, the GUI or console is hosted close to the storage laye r or on the same system entirely. That design choice is intentional. When analysts start querying mo
Jan 193 min read


NetFlow: Something I Seriously Underestimated (Until I Didn’t)
I’ll be honest. For a long time, I never really gave NetFlow the priority it deserves. PCAP was always the gold standard in my head. If you want to know what really happened on the network, you go straight to packet capture. End of story. But after reading more, testing more, and actually thinking about scale, cost, and real-world SOC/DFIR constraints, my opinion changed. Today, I want to talk about why NetFlow matters , when it actually makes your job easier, and why full
Jan 197 min read


SentinelOne Vigilance MDR: How It’s Quietly Changing the Way SOCs Work
If you’ve been following my work for a while, you already know this —I’ve written an entire series on SentinelOne. (If you haven’t read it yet, I’ll drop the link below — go check it out.) https://www.cyberengage.org/courses-1/mastering-sentinelone%3A-a-comprehensive-guide-to-deep-visibility%2C-threat-hunting%2C-and-advanced-querying%22 Recently, I also wrote about Dropzone AI and how AI is changing SOC capabilities, and yes, potentially even affecting SOC jobs. https://www.
Jan 145 min read
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