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gagan.letsdefend
Principal Security Operations Analyst
2805 / 14141 XP to level 61
*Rankings computed based on core modules (89850 pts).
Joined in July, 2024
gagan.letsdefend earned 16 badges
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Rap Beef
This analyst investigated a themed scenario involving rival hip-hop artists. They used key cybersecurity skills to identify suspicious communications and activities, analyzing internal messages to track unauthorized exchanges and uncover patterns. This exercise reinforced critical skills in data analysis, threat detection, and the application of cybersecurity principles in unconventional contexts.
Issued on: Jul 18, 2024
Valdorian Times
This analyst investigated an email phishing attack in Valdoria that uncovered a politically motivated influence campaign. Using Kusto Query Language (KQL), they analyzed employee roles, email communications, and computer process events, revealing evidence of data exfiltration and manipulation. This exercise reinforced skill in querying data and understanding data integrity within a cybersecurity context.
Issued on: Jul 28, 2024
AzureCrest
This analyst investigated a ransomware attack, where cost-cutting measures led to a single point of failure in their systems. This exercise highlighted the risks associated with prioritizing cost over security and reinforced skills in identifying vulnerabilities and understanding the broader implications of inadequate security measures in a healthcare context.
Issued on: Aug 11, 2024
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Solvi Systems
This analyst investigated a cybersecurity incident at Solvi Systems by identifying an attempted XSS attack and tracking a phishing email campaign. Using Kusto Query Language (KQL), they uncovered the threat actor’s reconnaissance efforts, system compromises, and malware activities, providing critical insights for enhancing security measures.
Issued on: Aug 12, 2024
Envolve Labs
This analyst completed the "Envolve Labs" module. They demonstrated skills in using Kusto Query Language (KQL) in their investigation that included identifying phishing campaigns, analyzing command-line activities, and uncovering credential theft and data exfiltration. They also learned to cluster and attribute attacks to specific threat actors, connecting malicious domains and email addresses to threat actor behavior.
Issued on: Aug 22, 2024
Jojo's Hospital
This analyst completed the JoJo's Hospital module, investigating a cyber attack involving an Initial Access Broker and a Ransomware-as-a-Service (RaaS) operation. They demonstrated skills in detecting phishing and malvertising tactics, tracing unauthorized network access, understanding hacker collaboration, and analyzing ransomware activities.
Issued on: Sep 25, 2024
Krusty Krab
This analyst completed the "Krusty Krab" module, investigating a phishing attack and data exfiltration. They used Kusto Query Language (KQL) to analyze email and network logs, revealing the use of deceptive email addresses and malicious domains. This exercise emphasized their ability to pivot and connect malicious domains to threat actor behavior, showcasing their proficiency in threat detection and analysis.
Issued on: Oct 13, 2024
HopsNStuff
This analyst completed the "HopsNStuff" module, investigating a cyber attack through the analysis of endpoint process events and command-line activities. They demonstrated skills in identifying anomalous file behavior by using Kusto Query Language (KQL) to uncover malicious activities. The investigation highlighted their ability to analyze and deobfuscate malicious PowerShell commands, effectively identifying and responding to data exfiltration techniques.
Issued on: Oct 13, 2024
Critical Compromise (ICS)
This analyst completed the Critical Compromise in Chicago module, demonstrating their ability to investigate a malware-based attack on a SCADA system. Through their use of Kusto Query Language (KQL), they uncovered the deployment of malicious software that disrupted the power grid. Their investigation helped identify the attack's origin and provided insights into the attackers’ methods, ultimately contributing to the restoration of normal operations and improving defenses for critical infrastructure.
Issued on: Oct 21, 2024
Frognado In Valdoria
This analyst successfully investigated a hacktivist intrusion on FramtidX system. Through their use of Kusto Query Language (KQL), they discovered how the intruders managed to deface the company’s website and internal documents. They followed the activities of the threat actor, from reconnaissance to exfiltration, and uncovered the use of an internal account to further their compromise.
Issued on: Oct 21, 2024
Castle & Sand
This analyst investigated an easy-level ransomware scenario by identifying adversaries' reconnaissance activities, analyzing themed phishing emails, and tracking ransomware deployment and impact. They used the Kusto Query Language (KQL) to analyze intrusion data and build an understanding of the ransomware attack lifecycle.
Issued on: Oct 29, 2024
Virustotal Fundamentals
This analyst completed the "VirusTotal Fundamentals" module, which focused on using VirusTotal for comprehensive threat analysis. They demonstrated the ability to pivot around datasets, utilizing file hashes, domains, and IP addresses to uncover and correlate threats. This exercise reinforced their skills in leveraging VirusTotal's capabilities for detecting malicious activity and understanding the interconnections between various threat indicators.
Issued on: Nov 03, 2024
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Titan Shield
This analyst successfully investigated two highly sophisticated cyberattacks against TitanShield’s sensitive projects, demonstrating advanced investigative skills in identifying social engineering tactics, malicious file execution, and data exfiltration strategies. Using Kusto Query Language (KQL), they unraveled Moonstone Sleet's phishing campaign targeting Project Omega and Crimson Sandstorm’s romance scheme aimed at harvesting critical system and user information. This exercise reinforced skills in threat actor profiling, recognizing social engineering-based reconnaissance on social media, and assessing the broader security implications of protecting intellectual property in a high-stakes defense context.
Issued on: Nov 03, 2024
Dai Wok Foods
This analyst completed the "Dai Wok Foods" module. They demonstrated skills in detecting phishing attempts, analyzing email logs, and using Passive DNS for domain analysis. This proficiency is vital for countering threat actor tactics and protecting organizational assets.
Issued on: Nov 12, 2024
Inside Encryptodera
This analyst investigated an easy-level insider threat scenario by identifying suspicious employee activities, analyzing internal communications, and tracking unauthorized data transfers. They used Kusto Query Language (KQL) to analyze network flows and identify abnormal data movement to build and insider-threat profile.
Issued on: Nov 22, 2024
Balloons Over Iowa
This analyst completed the "Balloons Over Iowa" module, investigating a phishing and ransomware attack. They identified command and control connections, detected data exfiltration, analyzed Mimikatz activity, and observed shadow copy deletions, demonstrating their ability to effectively respond to and analyze cyber threats.
Issued on: Nov 20, 2024
gagan.letsdefend played 21 games
Level 1: A Scandal in Valdoria 2430/2430
Level 1: Solvi Systems 2860/2860
Level 1: A Rap Beef (START HERE) 950/950
Level 1: Jojo's Hospital 610/610
Level 1: Titan Shield (with Microsoft Defender XDR) 4000/4000
Level 1: Valdoria Votes 2750/2750
Level 2: Envolve Labs: With a twist! 950/950
Level 2: HopsNStuff 14265/14265
Level 2: KRUSTY KRAB 7360/7360
Level 2: Castle & Sand 13050/13050
Level 2: AzureCrest - The full version 8790/8790
Level 2: Frognado in Valdoria 1690/1690
Level 2: Critical Compromise In Chicago - ICS 2870/2870
Level 2: French Socksess Story 2080/2080
Level 3: Balloons Over Iowa 4405/4405
Level 3: Dai Wok Foods 11600/11600
Level 3: DAILY7 🌎 70/7066
Level 3: Scholomance 2490/5640
Level 3: A Storm Is Brewing In the Lab 0/5670
Level 3: Inside Encryptodera 3990/3990
Level 3: VirusTotal Fundamentals 2620/2620
Pattern of Life
Issue Badge to gagan.letsdefend
| # | Image | Badge | Description | Action |
|---|---|---|---|---|
| 1 |  | Advanced Persistent Analyst | Someone who failed, got up, and tried again! | |
| 2 |  | Helping Hand | This award is community-nominated! Someone in the KC7 community has recognized this user for their contributions to others! | |
| 3 |  | Notre Dame Challenge | Completed the cybersecurity challenge event at Notre Dame in June 2023 | |
| 4 |  | KC7 Top 10 (2023) | Awarded to top 10 KC7 players in 2023 | |
| 5 |  | Cyber Challenge Series: Team Winner | This badge is issued to KC7 players who were members of a team that placed top 3 in a Blue Team Cyber Challenge event! | |
| 6 |  | Super Fan | This badge is issued to any KC7 player who has completed 3 modules or more! | |
| 7 |  | Most Improved | Someone who really improved over the course of a KC7 event! | |
| 8 |  | Cyber Challenge Series: Winner | This badge is issued to KC7 players who placed top 3 (as an individual) in an Blue Team Cyber Challenge event! | |
| 9 |  | 30 day hot steak | Awarded to a user who has answered a question for 30 days in a row. | |
| 10 |  | 90 day streak | Awarded to a user who has answered a question for 90 days in a row. | |
| 11 |  | Inside Encryptodera - Event Participant | Participant in the February 2024 monthly event featuring the Encryptodera module | |
| 12 |  | The Teacher | Someone who really helped lift up their peers and enabled others to learn! | |
| 13 |  | Bright Future | Someone who shows a lot of potential as a future cyber analyst! | |
| 14 |  | Azure Crest | This analyst investigated a ransomware attack, where cost-cutting measures led to a single point of failure in their systems. This exercise highlighted the risks associated with prioritizing cost over security and reinforced skills in identifying vulnerabilities and understanding the broader implications of inadequate security measures in a healthcare context. | |
| 15 |  | 2024 SANS New2Cyber CTF Participant | This badge has been awarded to those who took part in the 2024 SANS New2Cyber x KC7 Capture The Flag (CTF) challenge, which involved investigating a ransomware attack on a hospital. | |
| 16 |  | 60 day streak | Awarded to a user who has answered a question for 60 days in a row. | |
| 17 |  | 120 day streak | Awarded to a user who has answered a question for 120 days in a row! | |
| 18 | | Intro Master | ||
| 19 |  | Wiccon25 | You've participated to the WICCON25 workshop! You've successfully uncovered the full attack chain of a zombie themed ransomware. |