Greg Day
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Greg Day Email & Phone Number

Location: United Kingdom, United Kingdom, United Kingdom 14 work roles 1 school
1 work email found @paloaltonetworks.com 5 phones found area 870 and 408 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 5 phones

Work email g****@paloaltonetworks.com
Direct phone (870) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
SVP and CISO
Location
United Kingdom, United Kingdom, United Kingdom

Who is Greg Day? Overview

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Quick answer

Greg Day is listed as SVP and CISO at CyberSecurity Wisdom Ltd, based in United Kingdom, United Kingdom, United Kingdom. AeroLeads shows a work email signal at paloaltonetworks.com, phone signal with area code 870, 408, and a matched LinkedIn profile for Greg Day.

Greg Day previously worked as VP & Global Field CISO at Cybereason and Member of Global IP Advisory Committee to the Board of Directors of Palo Alto Networks (UK) Limited at Palo Alto Networks. Greg Day holds Bsc Hons, Business Information Systems (Computer Science) from Portsmouth University.

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Email format at CyberSecurity Wisdom Ltd

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{first_initial}{last}@paloaltonetworks.com
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AeroLeads found 1 current-domain work email signal for Greg Day. Compare company email patterns before reaching out.

Profile bio

About Greg Day

Greg Day helps organisations in the private and public sector develop comprehensive security risk management strategies. His wide-ranging practical and consultative experience at both business and technical levels gives executives access to the expert insight they need to make informed decisions about the increasingly complex threat and security environment. Greg’s professionalism, experience and commitment to the industry has made him one of Europe’s most eminent and sought-after speakers on global cyber-security issues. He is a frequent contributor to journals, has had numerous papers published and is a keynote speaker on all aspects of information security at conferences and events.

Listed skills include Security, Cyber Security, Security+, Network Security, and 46 others.

Current workplace

Greg Day's current company

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CyberSecurity Wisdom Ltd
Cybersecurity Wisdom Ltd
SVP and CISO
United Kingdom
AeroLeads page
14 roles

Greg Day work experience

A career timeline built from the work history available for this profile.

Svp And Ciso

Cybersecurity Wisdom Ltd

United Kingdom

Vp & Global Field Ciso

Current

San Diego, California, US

Jan 2022 - Present

Member Of Global Ip Advisory Committee To The Board Of Directors Of Palo Alto Networks (Uk) Limited

Santa Clara, California, US

Provide insight on Europe, Middle East Africa customer requirements to PAN UK board and global product engineering team. Including capability and usability requirements gathered. Insights on local policy and regulatory factors that should be taken into consideration. Trends on regional cyber security market dynamics.

Jan 2020 - Jan 2022

Vp & Cso, Emea

Santa Clara, California, US

Responsible for regional cybersecurity strategy development and threat intelligence, security best practices and thought leadership efforts for Palo Alto Networks in EMEA

Aug 2015 - Jan 2022

Vp & Cto Emea

Milpitas, California, US

Responsible for driving thought leadership, technology strategy and business opportunity in the EMEA region.

May 2013 - Aug 2015

Emea Security Cto & Director Of Security Strategy

San Jose, California, US

- Responsible for the EMEA Cyber Security solution strategy- Manage EMEA team of Security strategists responsible for generating 100M+ pipeline annually- Drive security thought leadership and strategy for the EMEA region- Scale security knowledge and solution messaging across Sales and Technical Sales Organisation (TSO)- Responsible for leading Cyber.

Jun 2011 - Apr 2013

Director Of Security Strategy, Emea

San Jose, California, US

- Industry recognized thought leader for McAfee EMEA- Sales enablement, responsible for driving industry vertical business value propositions across the region. - Created solution messaging for EMEA business; leveraging whiteboard solution selling & trained/accredited EMEA sales organisation- EMEA lead for McAfee cybercrime initiative- Intellect Cyber.

Jan 2010 - Jun 2011

Emea Security Analyst

San Jose, California, US

- Principal security spokesperson for McAfee across the EMEA. - Recognised media expert having experience of live TV (inc BBC click online program, BBC & CNN news), radio (inc BBC, Radio 5live and many others) speaking on security trends and threats. - A frequent contributor to journals and on-line articles, including everything from national newspapers to.

Oct 2006 - Jan 2010

Security Analyst & Telco Se Manager

San Jose, California, US

- Encompasses most aspects of the security solutions architect role, but added new focus & responsibilities in managing all technical aspects of a new evolving team in McAfee to focus on the Telco and Service Provider go to market channel.- Build, train and manage the EMEA System’s Engineers team, a mix of dedicated and virtual resources that provide all.

Jan 2005 - Sep 2006

Security Solutions Architect (Snr Manager)

San Jose, California, US

- Senior IT security expert and consultant to McAfee’s blue-chip NASDAQ, FTSE and TECH 100 customers and national high level security clearance government offices.- Part of McAfee’s senior management team responsible for the development of company vision, message and acquisition strategy. - A member of McAfee’s global threat analysis & response team.

Jan 2002 - Dec 2004

Mcafee Global Best Practices Team Leader

San Jose, California, US

• Founded McAfee’s first global ‘best practices’ team responsible for providing customers with expert IT security consultation and sharing best practice on security management • Developed the industry’s first and still the only ‘Live Virus IT security workshop’ where CIOs, IT directors and managers can gain first-hand experience of ‘live’ threats in a.

Jan 1999 - Dec 2001

Information Security Consultant

San Jose, California, US

• Leading consultant on ‘malware and anti-virus’ for McAfee • Developed McAfee EMEA’s consultancy services to offer customers IT security ‘health-checks’, strategy and design reviews, virus clean-up plans and Y2K testing • Identified and established company framework for recruiting 50 McAfee qualified IT security channel partners across Europe • Authored.

Jan 1998 - Dec 1998

Senior Consultant And Uk Team Leader

Dr Solomon'S Software

• The first appointed consultants trained in providing strategic advice to customers on Dr Solomon’s IT security software solutions• Recruited and trained Dr Soloman’s first team of consultants• Presented at UK IT security trade shows

Jan 1997 - Dec 1997

Technical Support Specialist

Dr Solomon'S Software

• Provided technical support staff for Dr. Solomon’s software products• Wrote technical guides for IT support engineers and customers on common security issues• Provided technical support to online industry forums and newsgroups

Jan 1994 - Dec 1996
1 education record

Greg Day education

  • Portsmouth University
    Portsmouth University
    Business Information Systems (Computer Science)
FAQ

Frequently asked questions about Greg Day

Quick answers generated from the profile data available on this page.

What company does Greg Day work for?

Greg Day works for CyberSecurity Wisdom Ltd.

What is Greg Day's role at CyberSecurity Wisdom Ltd?

Greg Day is listed as SVP and CISO at CyberSecurity Wisdom Ltd.

What is Greg Day's email address?

AeroLeads has found 1 work email signal at @paloaltonetworks.com for Greg Day at CyberSecurity Wisdom Ltd.

What is Greg Day's phone number?

AeroLeads has found 5 phone signal(s) with area code 870, 408 for Greg Day at CyberSecurity Wisdom Ltd.

Where is Greg Day based?

Greg Day is based in United Kingdom, United Kingdom, United Kingdom while working with CyberSecurity Wisdom Ltd.

What companies has Greg Day worked for?

Greg Day has worked for Cybersecurity Wisdom Ltd, Cybereason, Palo Alto Networks, Fireeye, and Symantec.

How can I contact Greg Day?

You can use AeroLeads to view verified contact signals for Greg Day at CyberSecurity Wisdom Ltd, including work email, phone, and LinkedIn data when available.

What schools did Greg Day attend?

Greg Day holds Bsc Hons, Business Information Systems (Computer Science) from Portsmouth University.

What skills is Greg Day known for?

Greg Day is listed with skills including Security, Cyber Security, Security+, Network Security, Computer Security, Malware Analysis, Computer Forensics, and Antivirus.

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