I am a passionate cyber security professional excited to defend data and networks using defensive and offensive techniques. My goal is to build a safer organization, protect information and lessen the impact of threats.ππππ‘π§π’πππ₯ ππ€π’π₯π₯π¬:- Threat hunting, penetration testing, vulnerability security management, threat research and simulations, threat intelligence - SIEMS, Kali Linux, XDR, MDR, EDR, Elastic, Nessus, A, O365- AWS, Azure, SDLC, SOC2, PCI DSS, NIST, HIPAAππ«π¨πππ¬π¬π’π¨π§ππ₯ ππ’π π‘π₯π’π π‘ππ¬:- Leveraging tools such as Rapid7, Defender, Elastic, and Arctic Wolf, I've increased tool accuracy to reduce false positives by 40% by maintaining and modifying tool policies- Developed and present monthly security training, dramatically dropping positive phishing responses by users to 3.6%, 1.5% below small business average.- Increased security scores from 66% to 95% by restructuring how vulnerabilities were triaged and managed from detection to mitigation and remediation.Additionally, I am a huge Star Wars fan (come to the dark side!), I spend free time working with the 501st. Legion charity organization. We attend events in costume to help raise funds to help children throughout the world. I get excited about opportunities where I'm able to leverage my offensive and defensive cyber security skills to protect data and information technology assets.I love connecting with new people, give me a shout here on LinkedIn!
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Security EngineerOneimagingNottingham, Md, Us -
Cyber Security ManagerOpala May 2022 - PresentAs a Cyber Security Manager, I lead a dedicated team in implementing robust security measures, analyzing threats, devising strategies, and managing security projects to safeguard organizational assets against cyber risks across cloud and user endpoints. My role involves a multidisciplinary approach, ensuring proactive defense measures and swift responses to emerging security challenges.- Vulnerability management- Endpoint detection- Threat hunting, threat simulation, insider threat- Project management- Cloud security- Vendor management- Security awareness training- Compliance management- Penetration testing- VPN management -
Senior Cybersecurity ConsultantMoss Adams Dec 2021 - May 2022Maryland, United States- Conducted comprehensive audits aligned with PCI-DSS and NIST frameworks for clients, ensuring adherence to industry standards and regulatory requirements.- Submitted detailed audit reports highlighting security gaps and vulnerabilities, providing actionable recommendations for mitigation strategies.- Successfully launched phishing campaigns as requested by clients, simulating real-world attack scenarios to assess and improve employees' awareness and response to phishing attempts. -
Senior Security EngineerSoftrams Apr 2021 - Dec 2021- Spearheaded all aspects of security engineering, encompassing penetration testing, threat hunting, and intelligence gathering, to fortify the organization's defenses against cyber threats.- Provided expert-level architecture support, ensuring that security measures were integrated seamlessly into the organization's infrastructure to mitigate risks effectively.- Developed and maintained NIST/IAM documentation, ensuring compliance with regulatory standards and facilitating clear communication of security policies and procedures.- Performed application penetration and security guidance as part of the software development lifecycle (SDLC) -
Cyber Security Researcher - Insider ThreatIcf Dec 2020 - Apr 2021Baltimore, Maryland Area- Insider Threat: Following the presidential executive order, our team designed and built the insider threat framework and alert rules for the US Army. Once the platform was in place our team was able to review insider threat behavior and act accordingly.- Threat Hunting and Adversary Research: Led proactive threat hunting, analyzing over 14TB of data daily from thousands of endpoints and foreign adversary campaigns. Leveraged insights to fortify security infrastructure, enhancing resilience against cyber threats. -
Senior Penetration TesterCaci International Inc Jul 2020 - Dec 2020- Serve as team lead for penetration testing team- Perform penetration testing and reverse engineering on unmanned aircraft components- Develop and complete guidelines and action reports for senior officials -
Cyber Security ResearcherIcf Jun 2017 - Jul 2020- Executed penetration tests against client networks and applications, producing comprehensive reports and proof-of-concept demonstrations of vulnerabilities.- Collaborated with clients to develop and implement mitigation strategies to address identified security weaknesses and secure systems effectively.- Shared threat intelligence findings through intelligence briefings to management and Security Operations Center (SOC) analysts, enabling informed decision-making and proactive defense strategies.- Enhanced proprietary tools and signatures with actionable data and actor Tactics, Techniques, and Procedures (TTPs), facilitating more effective threat detection and response. -
Linux System Engineer - Team LeadIcf Dec 2013 - Jun 2017Aberdeen, Md- Built and maintained over 300 Red Hat systems worldwide including web servers, clusters, intrusiondetection systems, vulnerability scanners and security centersΒ· Regularly trained new hires and other teamβs personnel on aspects such as troubleshooting,maintenance and system configurationsΒ· Server as the Information Assurance Security Officer (IASO) for the clientΒ· Maintain DISA STIG compliance on all DoD systems within the CSSP, including vulnerability and SCAPscans.Β· Prepare and maintain documentation for the DISA Risk Management Framework (RMF) -
Network Security AnalystIcf Aug 2008 - Dec 2013Aberdeen, Md- Utilized proprietary SIEM based on Snort to perform in-depth analysis of network data, enabling the detection and investigation of potential security incidents.- Generated detailed reports for stakeholders, providing insights into network incidents, their impact, and recommended courses of action for remediation.- Spearheaded the implementation of a training and certification environment, establishing a standardized program for new analysts to enhance their skills and knowledge in cybersecurity practices.
Frequently Asked Questions about David Knife
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David Knife works for Oneimaging
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David Knife's current role is Security Engineer.
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David Knife
Healthcare Information Technology Consultant Since 1988. Epic CertifiedFort Walton Beach, Fl -
1gmail.com
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1gmail.com
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