Modern Tools for the Modern Investigation
Private Security Expert
Daniel Weiss, Managing Partner
Mr. Weiss began his career in the security industry while in graduate school at Northeastern University, where he worked at a maximum security prison in Massachusetts, Walpole State Prison. Mr. Weiss left the public sector and entered the private security sector. During the past 15 years, Mr. Weiss has held managerial positions at Wells Fargo and Chubb. Mr. Weiss was also founder and CEO of EPS Security and Infrastruct Security. Mr. Weiss is the founding Texas partner of McCann Investigations, LLC, a Texas Corporation.
Mr. Weiss has been interviewed as a subject matter expert on security by ABC, NBC, CBS, Security Director News, SDM, and Security System News. In addition Mr. Weiss has been featured in the Houston Chronicle and Houston Business Journal.
Mr. Weiss brings extensive experience as a security professional in the area of private investigation, computer forensics, loss prevention, electronic security system design, and surveillance. As an industry entrepreneur, Mr. Weiss brings his wealth of knowledge in business with extensive experience in due diligence, private equity and venture capital, and financial controls. Mr. Weiss’ background supports the unique balance between business and former law enforcement that is a unique hallmark of McCann Investigations.
For over 15 years, Mr. Weiss has held a qualified managers license in State of Texas. Mr. Weiss has been directly responsible for hundreds of security assessments for Fortune 1000 companies and government agencies. In addition, Mr. Weiss has had the pleasure of providing investigative services for scores of middle market commercial, industrial and direct to executives. In addition, Mr. Weiss has been utilized as an expert by law firms involving complex civil and criminal matters.
Investigations:
- Network Intrusion: Identification and forensic documentation of a network intrusion of a municipal government agency involving credit card and personal information being stolen.
- Non-Compete Enforcement: Numerous cases of forensic documentation of downloaded customer data, conspiracy with current and former employees, and direct theft of company materials.
- Intellectual Property Theft: Numerous cases of current and former employees and competitors stealing and damaging company intellectual and physical property.
- Harassment and Cyber Stalking: Investigation and forensic documentation of inner company email based harassment and attempt to cover up activity.
- Digital Wiretapping: Numerous investigations of cyber wiretapping of servers, desktops, laptops and mobile devices conducted by unwanted parties.
- Background Investigations: Provided executive background investigations for management teams for Private Equity and Venture Capital firms.
During his career in the public and private sector Mr. Weiss has been personally instrumental in:
- Over 500 site security assessments ranging from:
- Financial Institutions
- Jewelry and Precious Metals Vaults and Storage
- High Profile Residences Including Former Government Officials
- Petrochemical Facilities
- Defense Sector Providers
- Public/Private Critical Infrastructure: Dams, Nuclear Power Plants, and Pipelines
Mr. Weiss also believes in the importance of law enforcement and the private sector working together. Examples of this commitment are found in various committees and associations that he currently serves:
- Crime Stoppers
- American Society for Industrial Security
- Energy Security Council
- Entrepreneur Organization (EO)






Cases have included controller embezzlement, jeweler manufacture theft, cyber banking fraud, bankruptcy fraud, partner embezzlement, misrepresentation in acquisitions
McCann cases include IP theft and infringement, product tampering, theft of scientific research
Has your employee left with more than just a severance check? Do you suspect they are starting a competing company in clear violation of the CNC?
From contentious divorce to custodial abduction, McCann Investigators utilize cutting-edge tools to gather the evidence you need.
McCann works with criminal cases including allegations child abuse, statutory rape and credit card theft
Data Breach and Privacy Loss can include credit card or bank details, personal health information, social security number, intellectual property, or trade secrets.
Privacy Intrusion and Malicious Spyware on Laptops, Desktops and Mobile Devices can be a threat to your personal privacy as well as your company
Learn about McCann fraud cases, bribery and corruption, fraud allegations in partnerships and bankruptcy fraud.
More on IP theft and infringement from internal and external sources, documentation of stolen data and collusion cases.
McCann non compete cases include loss of sensitive information and collusion between current and former employees.
Cutting-edge tools to detect, remove and prevent malware, spyware, IT vulnerabilities and cyber stalking.
Investigations into claims of child abuse, sexual molestation, statutory rape, theft of credit card data and other cases.
Computer Forensics | Mobile Device Forensics | Network Forensics | Cloud Forensics
Data Preservation & Forensic Collection | Malware, Spyware & Incident Analysis | Data Breach Remediation & Recovery | Cyber Slander Remediation & Response
Private Investigations | Corporate Intelligence | Background Investigations | Surveillance | Due Diligence | Social Media Investigations | Under Cover Work
E-Discovery & Data Review | Discovery Request Support for Cloud Based Sources | Expert Research, Reporting & Testimony | Trial & Pre Trial Presentation
Internal & External Vulnerability Assessment | Network, Desktop & Mobile Data Loss Prevention | Oversight of Existing IT Providers | IT Policy Design, Review & Audit