We are currently looking for a Security Analyst for our client, a leading IT company in Dublin.
ResponsibilitiesWhat we will do for you On a daily basis, you'll find the most malicious attacker activity the Internet has to offerLet you scour systems and analyze tons of network traffic looking for attacker presenceBe Challenged to evolve how we detect and respond to attackers by authoring new and innovative Indicators of CompromiseExpose you to some of the most exciting and cutting edge techniques to find evilTraining and continuous coaching and mentoring to grow your technical and professional skills like no one elseWork with a team of brilliant people that you can learn from and build lasting relationships withDevelop an understanding of your aspirations and provide opportunities that we believe will get you thereInspiration to stretch your performance by allowing you to tackle seemingly impossible problemsEncouragement challenge the status quo, think creatively, and innovate –make us betterAn environment of trust and camaraderie, where you can speak freely about your ideasA platform from which you can make a real impact against the bad guysDevelop an understanding of, and be flexible to, your needsWhat you can do for us Get your toolbox out and dive deep into systems to help us identify and eradicate attackersUse your insanely keen network analysis skills to find evil on the wireDefine relationships between seemingly unrelated events through deductive reasoningCome up with ways to do things faster, better and more effectively while maintaining a laser focus on qualityBe fanatical about delighting our customersBe honest, transparent and genuine with our customers and your peersMake sure you have fun – lots of itHelp us protect the worldWork hard, but smart; balance your work and lifeWhat you can bring with you The ability to analyze event and systems logs, perform forensic analysis, analyze malware, and other incident response related data, as needed.Deep understanding of incident response best practices and processesFamiliarity with intrusion detection systems (e.g., snort) and tools (e.g., tcpdump, Wireshark).Knowledge of attack vectors, threat tactics and attacker techniques.Familiarity with network architecture and security infrastructure placement.Understanding of Windows operating systems and command line tools.A solid foundation in networking fundamentals, with a deep understanding of TCP/IP and other core protocols.Knowledge of network based services and client/server applications.Your bachelors degree – or a very convincing argument.Degree in computer science, or related disciplineExperience working on a mission critical security operations team, preferably 24x7.Exemplary communication and interpersonal skill.Ability to document and explain technical details clearly and concisely.A willingness to be challenged and a strong desire to learn.An open mind and an appetite for excellenceNetwork WiresharkUnderstand a signatureContext - inbound vs outbound (webshells), DNS servers vs HTTP proxyKnowing the Internet - identifying something as legitimate vs maliciousIntel querying vs OSINTKnowledge of protocols - SMB, HTTP Proxy, DNS, ICMPNetflow AnalysisPerform queries to gain additional contextUnderstanding ports, sessions length, directionDNS & HTTPCollect and analyse DNS/HTTP logs for additional contextSignaturesIdentify issues with signatures and propose improvementsHit ReviewUnderstand a signatureIOCs intent - what it's looking for, what it hit on, caveatsContext - malware, decoy, side-loaded DLL (legit binary), tools, methodologyTriagingCollecting forensic information to determine TP vs FPMalware triaging - assessing MTA and performing dynamic analysis in VMSignaturesIdentify issues with signatures and propose improvementsLive ResponseBuild LR timelines under supervisionThreat IntelUnderstand how malware and tools are used by the threat actorsApply nowPosition: Security analyst
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