Christopher Callahan

Christopher Callahan Email and Phone Number

Chief Information Security Officer at Weichert Companies @ Weichert Companies
New York, NY, US
Christopher Callahan's Location
New York City Metropolitan Area, United States, United States
Christopher Callahan's Contact Details

Christopher Callahan work email

Christopher Callahan personal email

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About Christopher Callahan

Strategic, award-winning Chief Information Security Officer with deep Cyber Security and risk management experience in protecting businesses, team members, and customers in large, enterprise-wide, complex environments. Trusted advisor to executive team & legal department on best practices to balance risk vs. reward in introducing new business and technology strategies or in handling litigation. Big picture thinker with keen business acumen and a deep knowledge of IT infrastructure & architecture as well as advanced threat protection technologies. Creates value and operational efficiencies with solutions-oriented strategies; streamlined, audit-ready processes; stewardship of high-performing teams held accountable for impactful results; and compliance/alignment with government and industry regulations, including PCI DSS, GDPR, NIST, ISO 27001, NYDFS Part 500, HIPAA, HITECH, and HITRUST. Recognized for establishing a sound governance structure and executing a comprehensive IT Security Program to protect assets, including effective policies, guidelines, internal controls, performance monitoring & measuring, and awareness training. Strong problem-solving, collaborative, and executive communication skills supported by expertise in:Information & Cyber SecurityRisk Assessment | ManagementBreach Detection | Threat ProtectionSecurity Development Life CycleQuality Assurance | ComplianceVendor | Financial ManagementProject Management3rd-Party Risk ManagementPrivacy Office

Christopher Callahan's Current Company Details
Weichert Companies

Weichert Companies

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Chief Information Security Officer at Weichert Companies
New York, NY, US
Website:
weichert.com
Employees:
13629
Christopher Callahan Work Experience Details
  • Weichert Companies
    Weichert Companies
    New York, Ny, Us
  • Weichert Companies
    Chief Information Security Officer
    Weichert Companies Sep 2019 - Present
    Built from the ground up a cyber and information security program supporting 12 Weichert companies. Established the foundation for policies, standard processes, CIS system hardening, ITIL, and measurable controls based on the NIST Cybersecurity Framework. • Drafted a Business Continuity and Pandemic Plan prior to the COVID-19 outbreak preparing the organization for impact. • Guided the organization through change to obtain a SOC2 Type II certification for the Relocation and Corporate Housing companies. • Provided NY DFS attestation for the Mortgage and Insurance companies. • Supported contract reviews for new client RFPs resulting in 5 new clients with revenue over $7MM. • Consolidated vendors in establishing a managed security operations center, resulting in a $60K savings. • Coordinated and provided certification of compliance for an Attorney General subpoena. • Certified for Privacy Shield to support GDPR. Aligned with Legal for standard contractual clauses for data transfers between EU and non-EU countries. • Established the 3rd Party Risk Management program to assess the risk of critical vendors and partners. • Created strategic alignment with the various Weichert companies establishing the Information Security Steering Committee and the IT Steering Committee. • Established the Vulnerability Management program to proactively target remediation of hosts and applications. • Supported the renewal of Weichert’s cyber insurance policy.
  • Cyber Fusion Services
    Principal Technologist - Vciso
    Cyber Fusion Services Oct 2018 - Sep 2019
    Consult and partner with client organizations to drive strategic information security controls, risk and compliance best practices by understanding client vertical industries, organizational structures, business objectives and evolving security landscape. • Risk Control: Strategic leadership, coordination and advice on the most appropriate security practices and policies, as well as a network-wide review of client’s existing security systems and the strategic plans for future security projects.• Ensure compliance: Expert guidance on the right information security policies and procedures to meet all relevant industry regulations of the client.• Control spending: Focus security budgets on protecting client’s business-critical assets and defending the high-risk areas where a security breach could seriously impact the organization.• Complete visibility: Places the client’s security in the context of the latest industry trends and technologies, as well as the threats and vulnerabilities that could negatively impact the organization.• Information Security Roadmap: Develop and draft a multi-year, information security program roadmap and executive-level presentation with project, technology, and staffing priorities that is suitable for executive-level resource and investment planning.
  • Novartis
    Director, Global It Risk & Compliance, Cyber Security Operations,
    Novartis Feb 2009 - May 2018
    Basel, Baselstadt, Ch
    Responsible for the people, process, budget, and delivery of the following services:Vulnerability Management Services - Operations Qualys Enterprise, AWS EC2 scanning, Azure scanning, assessment of acquisitions before connectivity, TippingPoint IPS integration, Whitelist-Blacklist Management, utilized REST API to integrate network data for input, and output for asset management, integration with CyberArk and Centrify for trusted scanning, secondary scanning using Nessus and Rapid7 NexposeSecurity baselines - Configuration setting policy and reporting for Windows, Unix, Linux, MS SQL, Oracle, Cisco IOS, Mac OSX, AD, and SAPPKI Operations - Software: Entrust, Operations of Trust Center, Certificate Authority, Registration Authority, Certificate Policy Statement, Certificate Revocation List, security of private keys in HSM (hardware security module)Two Factor Authentication - RSA SecurID, Symantec VIP (Validation and ID Protection), SafeNet MobilePASSFirewall Service - Cisco ASA (Adaptive Security Appliance), Checkpoint NGWeb Proxy Service - Bluecoat ProxySG and Cloud Proxy, Configuration of ICAP (Internet Content Adaptation Protocol) for Trend Micro Antivirus, integration for CASB (cloud access security broker), integration for Active Directory. Ran proof-of-concept for Cisco Ironport, Cisco Umbrella, Zscaler, Websense, Menlo SecurityCASB - (Cloud Access Security Broker) - SkyHigh NetworksSecure Messaging - Proofpoint with Exchange Online, Totemomail using EntrustTechnical Consulting for Legal - review patent lawsuits for technology. Provide support for Privacy Office, and Safe Harbor Privacy PrinciplesEndpoint Protection Service - McAfee VirusScan and ePO (ePolicy Orchestrator), assessment of endpoint and threat detection solutions including CyberReason, Crowdstrike, CarbonBlack, FireEye, Dell, Cylance, Webroot, BitDefender, and FortinetServiceNow - SecOps POCStealthAudit - open share reporting on Windows and Unix/Linux, Sharepoint, AD
  • Novartis
    Associate Director, It Risk & Compliance – Americas
    Novartis 2001 - 2009
    Basel, Baselstadt, Ch
    Responsible for the people, process, budget, and delivery of the following services:Vulnerability Management Services - Regional vulnerability scanning utilizing Nessus and external vulnerability scanning utilizing QualysIDS Service - Cisco IDS (intrusion detection system) integrated with Symantec Managed Security Services for rapid response Quality Assurance - audit and assessment for Novartis Infrastructure Services, Americas. Performed plant reviews for security, GxP qualification of servers and network devices, and architecture review that included SCADA, PLCs, and Wireless. Converted paper qualification documentation to electronic with digital certificates. Technical Consulting for Legal and eDiscovery
  • Novartis
    Senior Engineer, It Infrastructure
    Novartis Jun 1997 - Mar 2001
    Basel, Baselstadt, Ch
  • Ricoh Usa, Inc.
    Senior Systems Programmer
    Ricoh Usa, Inc. Jun 1993 - Jun 1997
    Exton, Pa, Us
  • Automated Business Systems, Inc
    President
    Automated Business Systems, Inc Jun 1992 - Jun 1995
  • Cma Software Inc.
    Senior System Support Analyst
    Cma Software Inc. Jan 1992 - Jun 1992
  • Carteret Saving Bank
    Senior Systems Programmer
    Carteret Saving Bank Sep 1988 - Jan 1992
  • Hilton Hotels Corp.
    System Analyst
    Hilton Hotels Corp. Sep 1985 - Sep 1988

Christopher Callahan Skills

It Operations It Risk Management It Service Management Itil Security Vendor Management Pmp It Management It Security Operations Sharepoint It Compliance Program Management Information Security Project Management Information Security Management Change Management It Strategy Business Intelligence Team Leadership Disaster Recovery Data Center Sdlc Quality Assurance Business Continuity Governance Cyber Security It Security Best Practices Cross Functional Team Leadership Software Development Life Cycle Incident Response Project Portfolio Management

Christopher Callahan Education Details

  • The Chubb Institute
    The Chubb Institute
    Computer Programming
  • County College Of Morris
    County College Of Morris
    A.A.S. Business Computing
  • Parsippany Hills High School
    Parsippany Hills High School

Frequently Asked Questions about Christopher Callahan

What company does Christopher Callahan work for?

Christopher Callahan works for Weichert Companies

What is Christopher Callahan's role at the current company?

Christopher Callahan's current role is Chief Information Security Officer at Weichert Companies.

What is Christopher Callahan's email address?

Christopher Callahan's email address is ch****@****rld.com

What is Christopher Callahan's direct phone number?

Christopher Callahan's direct phone number is (717)-228*****

What schools did Christopher Callahan attend?

Christopher Callahan attended The Chubb Institute, County College Of Morris, Parsippany Hills High School.

What skills is Christopher Callahan known for?

Christopher Callahan has skills like It Operations, It Risk Management, It Service Management, Itil, Security, Vendor Management, Pmp, It Management, It Security Operations, Sharepoint, It Compliance, Program Management.

Who are Christopher Callahan's colleagues?

Christopher Callahan's colleagues are Oleg Stolnik, Amy Smith-Voegerl, Sophia Funchess, Linda Mahoney, Patricia Lehman, Debbie Mendoza, Veronica (Ronnie) Vilardo.

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