WithSecure
Incident response investigator

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WithSecure™
WithSecure™ delivers research-led cyber security to defend organizations, society and people from real-world attacks and build resilience into their approach. Our people are a mix of technical and creative experts – diverse, talented, and passionate people – working tirelessly to help us advance the industry with new ways of thinking. They lead their own development, in and out of the office. They call the shots when it comes to building a place to call home in our organization.
WithSecure™ protects businesses all over the world from modern threats. We do this through a Co-security approach born from first-hand knowledge that no one can solve every cyber security problem alone. Every single day, our diverse, growing team fights against online extortion, threats to national infrastructure, the unlawful spread of sensitive information, and everything in-between. The best part about working for WithSecure is our people! We are a community of dedicated and passionate professionals that take workplace happiness seriously. If you’re looking for something that’s more than just a job – we’d love to hear from you.
The role also requires the ability to clearly communicate to a range of audiences from technical practitioners through to executive boards. This requires the ability to identify technical issues and describe them in the language of the business leaders you are engaged with.
A successful candidate should have an experience of both enterprise IT platforms and information security. They will be required to understand the motivations and methods adopted by a wide range of threat sources with a good understanding of how exploitation of systems occurs.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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In addition, supporting Incident Readiness activities (such as Tabletop sessions, Client Training, and Playbook creation), when not actively supporting investigations.
Key Responsibilities
- Performing investigations for WithSecure clients and producing high quality reports to present findings and guidance.
- Maintaining target utilization on client chargeable projects whilst working as a Senior Incident Response Investigator.
- Producing output to highlight the technical competence of the company to a standard that can be published.
- Supporting your practice area in successful delivery and growth.
- Mentoring juniors along with supporting key business objectives though advice and guidance based on current industry trends.
What are we looking for?
- CISSP qualification or equivalent experience
- Experience with investigating targeted attacks across large enterprise networks
- Demonstrable experience of client-server infrastructures, security architectures and related logging and alerting across multiple operating systems
- Demonstrable experience networking with the ability to perform network forensic analysis down to packet level
- Demonstrable detailed knowledge of file-system analysis including FAT, NTFS, HFS+ and/or EXT2/3/4 and ability to find and extract common disk-based indicators of compromise
- Knowledge of Windows, Linux and/or OS X internals and able to demonstrate knowledge of key system artefacts for each platform
- Able to articulate the phases of Incident Response as defined by NIST
- Familiarity MITRE ATT&CK Matrix for Enterprise framework
- Knowledge of and experience in memory analysis
- Ability to report key findings in a clear and concise manner both at technical and senior management level


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Bonus points
- Experience in Malware Analysis to a minimum level of behavioral analysis
- Familiarity with one or more scripting language such as Python, Ruby, PowerShell or Bash is desirable
- Experience of common cloud technologies
- Vendor independent qualification in Incident Response and Forensics such as GIAC, IISFA, IACIS, ISFCE, ECCouncil or CREST certifications (e.g. CFCE, CCE, CIFI, CHFI, ECIH, GCIH, GCIA, GCFA, GCFE, GREM, GCED, Intrusion Analyst, Network or Host Intrusion Analyst or Malware Reverse Engineer)
- Vendor specific qualification such as AccessData Certified Examiner (ACE), Encase Certified Examiner (EnCE) certification or X-Ways Professional in Evidence Recovery Techniques (X-PERT)
- DV-clearance
- Chartered Cyber Security Professional-status (ChCSP)
What Will You Get From Us
- Freedom – you will have the opportunity to define new ways of working how we engage with our customers, and how product value gets represented.
- You will work together with experienced and enthusiastic colleagues, and within WithSecure you will find some of the best minds in the cyber security industry.
- Your work will be clearly visible and recognised – all over the world and across our business units.
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