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#Datadiode Reel by @cyber_novaacademy - If you work in Cybersecurity, Cloud, DevOps, or Network Engineering, there is one layer you cannot ignore - Layer 2. Most people focus on firewalls a
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@cyber_novaacademy
If you work in Cybersecurity, Cloud, DevOps, or Network Engineering, there is one layer you cannot ignore — Layer 2. Most people focus on firewalls and perimeter security. But many real attacks start inside the network. Attackers exploit weaknesses like: • Rogue DHCP servers • ARP spoofing • Man-in-the-middle attacks In this hands-on lab, we simulate how these attacks happen and implement real enterprise Layer-2 protections. What we demonstrate in this lab: • VLAN segmentation • Router-on-a-Stick • DHCP DORA process • Inter-VLAN communication Enterprise security protections: • DHCP Snooping • Dynamic ARP Inspection • IP Source Guard • Port Security • PortFast Example VLAN design: VLAN 100 — HR VLAN 200 — SALES VLAN 300 — FINANCE VLAN 400 — IT This is how real enterprise networks prevent internal attacks. If you want to stand out as a Network Engineer or Cybersecurity Professional, build labs like this and document them. 💬 Comment “VLAN” if you want the next networking lab. Full video: https://youtu.be/saSJiFNxqlE?si=IpTMEKyDH3kKQWfM #NetworkingLabs #RouterOnAStick #VLAN #NetworkEngineering #Cybersecurity CiscoNetworking CCNA NetworkEngineer ITCareer TechSkills
#Datadiode Reel by @dailydebian - Correct Answer: C. Decomposing the application. Threat modeling procedures commonly include decomposing the application to understand its components,
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@dailydebian
Correct Answer: C. Decomposing the application. Threat modeling procedures commonly include decomposing the application to understand its components, data flows, trust boundaries, and attack surfaces. The OWASP Web Security Testing Guide incorporates structured analysis of application architecture as part of identifying and evaluating potential threats. Why The Other Options Are Incorrect A. Review of security requirements Reviewing security requirements is part of secure development lifecycle activities, but it is not a specific threat modeling procedure described as a core step. B. Compliance checks Compliance checks focus on adherence to regulatory or policy standards. They are not a defined threat modeling technique within the guide. D. Security by design Security by design is a development philosophy or principle. It is not a discrete procedural step in threat modeling within the OWASP testing methodology. #CompTIA #CySAPlus #CyberSecurity #SOCAnalyst #ITCareers
#Datadiode Reel by @tech_rv17 - Devops security tools #cybersecurity #networking #linux #aws #devops
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@tech_rv17
Devops security tools #cybersecurity #networking #linux #aws #devops
#Datadiode Reel by @tech_rv17 - 12 pillar of cybersecurity #cybersecurity #networking #itsecurity #devops #aws
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@tech_rv17
12 pillar of cybersecurity #cybersecurity #networking #itsecurity #devops #aws
#Datadiode Reel by @dailydebian - B. APIs. APIs allow SOAR platforms to communicate with different security tools and vendor systems programmatically. Through APIs, a SOAR platform can
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@dailydebian
B. APIs. APIs allow SOAR platforms to communicate with different security tools and vendor systems programmatically. Through APIs, a SOAR platform can trigger actions such as blocking an IP on a firewall, disabling a user account in an identity system, or retrieving threat intelligence from another platform. This enables automation across different vendor products, which is exactly the requirement in the scenario. Why The Other Options Are Incorrect A. STIX/TAXII STIX and TAXII are standards used for sharing threat intelligence information between organizations and platforms. They facilitate the exchange of threat data but do not directly automate actions across multiple vendor systems. C. Data enrichment Data enrichment adds additional context to alerts, such as pulling reputation data for an IP address or domain. While useful in investigation workflows, it does not provide the mechanism to automate actions across different platforms. D. Threat feed A threat feed provides continuously updated information about malicious IPs, domains, or hashes. It helps improve detection capabilities but does not enable automation or integration between different vendor platforms. #CompTIA #CySAPlus #CyberSecurity #ITCertifications #CompTIACertification
#Datadiode Reel by @dailydebian - D. WAF. A Web Application Firewall is designed to protect web applications from common attacks such as remote command execution, SQL injection, and cr
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@dailydebian
D. WAF. A Web Application Firewall is designed to protect web applications from common attacks such as remote command execution, SQL injection, and cross-site scripting. It operates at the application layer and can filter, monitor, and block malicious HTTP requests before they reach the vulnerable application. Why The Other Options Are Incorrect A. IPS An Intrusion Prevention System can detect and block network-level attacks, but it is not specifically tailored to understand and protect against application-layer vulnerabilities like remote command execution in web apps. B. ACL Access Control Lists control which traffic is allowed or denied based on IP addresses or ports, but they do not inspect or block malicious payloads within allowed traffic. C. DLP Data Loss Prevention focuses on preventing sensitive data from being exfiltrated, not on protecting applications from being exploited. #CompTIA #CloudPlus #CloudComputing #CyberSecurity #CloudInfrastructure
#Datadiode Reel by @cybercharlie4 (verified account) - DevSecOps roles paying £130K+ are going to people who know how to use AI to secure an entire pipeline. Not just SAST scanners. Not just certs. The a
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@cybercharlie4
DevSecOps roles paying £130K+ are going to people who know how to use AI to secure an entire pipeline. Not just SAST scanners. Not just certs. The actual gap is this: can you open Cursor, spin up a web app, connect it to AWS via IAM, containerise it with Docker, run ARCO for AI threat modelling, then build n8n agents that automate your entire SOC response. That is the 2026 skill stack CISOs are hiring for. I know because I am one. The roadmap is in this video. Watch it, save it, send it to someone who needs to hear this. Free to learn. Full list at cyberagoge.com/free-roadmap-app Drop "ROADMAP" below and I'll send you the free DevSecOps roadmap. #DevSecOps #AISecurity #CursorAI #CyberSecurityCareer #DevSecOpsEngineer #CloudSecurity #CyberSecurity #SecurityEngineer #AISecurityEngineer #TechCareer #UKTech #SOCAnalyst #ApplicationSecurity #PipelineSecurity #n8n #DevSecOpsRoadmap #CISOInsights #LLMSecurity #CyberCareer2026 #ThreatModelling #SAST #AWS #GitHubActions #CyberAgoge #CyberCharlie
#Datadiode Reel by @tech_rv17 - AWS VPC #cybersecurity #networking #linux #aws #devops
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@tech_rv17
AWS VPC #cybersecurity #networking #linux #aws #devops

✨ Guia de Descoberta #Datadiode

O Instagram hospeda thousands of postagens sob #Datadiode, criando um dos ecossistemas visuais mais vibrantes da plataforma.

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