Blog Post At-A-Glance
This guide lists security investigation methods for personal due diligence and small business needs. It starts with free online and public-record approaches and moves to higher-cost professional services.
Methods include open-source intelligence tools, people-search databases, court-record access, process serving, polygraph testing, handwriting analysis and astrology, private investigators, surveillance, forensic accounting, and specialized dark-web research. The links point to primary resources where available.
Introduction
Individuals and small business owners often need reliable ways to check backgrounds, assess risks, or gather facts about people or situations. Security investigations range from simple online searches that cost nothing to comprehensive professional engagements that reach into the tens of thousands of dollars. This guide organizes methods by approximate cost, beginning with free options and ending with the most expensive. Prices are approximate U.S. ranges drawn from publicly available information in 2025 and 2026. Actual costs depend on location, case complexity, and provider. Laws governing privacy, surveillance, and data use differ by jurisdiction, so verify compliance before starting any investigation.
Free Internet Searches and Basic Open-Source Intelligence
A person can begin with ordinary search engines. Entering a full name, e-mail address, phone number, or username into Google, Bing, or DuckDuckGo often surfaces social media profiles, news mentions, professional listings, and personal websites. Adding quotation marks around exact phrases improves precision.
Social media platforms serve as free sources. Public posts on X, Facebook, LinkedIn, Instagram, and similar sites can reveal location history through geotags, network connections, employment claims, and behavioral patterns. Username search tools such as WhatsMyName or Sherlock (open-source) check hundreds of platforms for matching accounts at no cost.
Reverse image searches help verify photos. Google Images, TinEye, and Yandex allow users to upload an image and locate other online appearances of the same picture. This method frequently exposes recycled profile photos or stock imagery.
Domain ownership information comes from free WHOIS lookups. Sites such as whois.icann.org or lookup.icann.org show registrant details for many websites, though privacy protections sometimes hide personal data.
Public government databases offer free access to certain records. State Department of Corrections websites list incarcerated individuals. The National Sex Offender Public Website (nsopw.gov) provides nationwide registry searches. The SEC EDGAR database (sec.gov/edgar) contains corporate filings, ownership reports, and financial disclosures. Historical military records appear through the National Archives and related free portals. SpyDialer supplies free reverse phone lookups that often identify the owner’s name and possible location.
Breach-check services such as Have I Been Pwned let users test whether an e-mail address appears in known data breaches. Free tiers of Intelligence X and similar archives allow limited searches of historical and leaked data.
Anonymity tools support cautious research. Tor Browser routes traffic through multiple nodes to obscure the investigator’s IP address. HTTrack downloads entire websites for offline review. These tools carry no direct monetary cost.
Consumer People-Search Engines and Low-Cost Record Access
Paid consumer platforms aggregate public records, social media, and marketing data. Spokeo, BeenVerified, Intelius, and TruthFinder typically charge between $15 and $30 per month for unlimited or high-volume reports or offer single reports starting under $5 after trial periods. These services commonly return address histories, phone numbers, relatives, and basic court records.
Federal court records become available through PACER (pacer.uscourts.gov). Registration is free. Access costs $0.10 per page with a $3.00 cap on most documents. Users who incur $30 or less in a calendar quarter pay nothing. Many casual researchers never reach the billing threshold.
Process servers deliver legal documents. Routine service in most urban areas costs $40 to $150. Rural or difficult serves can reach $200. Rush or same-day options add 50 to 100 percent. Sheriff’s departments sometimes offer lower statutory fees.
Specialized Software and Mid-Range Digital Tools
Hunchly captures and organizes web pages during online investigations. A classic annual license runs approximately $110 to $170. The tool timestamps captures and supports report generation useful for preserving evidence.
Maltego Community Edition is free for basic link analysis. The professional version starts near $999 per year and visualizes connections among people, domains, e-mails, and organizations.
Other OSINT platforms such as espectrosint or SpiderFoot offer free tiers and paid plans beginning around $29 per month. These tools automate collection across dozens or hundreds of sources.
Commercial investigative databases, including TLO, IRB Search, and Tracers, provide deeper identity data, credit-header information, and cross-jurisdictional searches. Access is generally limited to licensed investigators or businesses and is priced by subscription or per search, often starting in the low hundreds of dollars per month.
Handwriting, Astrology, and Personality Evaluation
One mid-range option combines handwriting analysis and comprehensive astrology and numerology. I offer a Reliability and Confidentiality Evaluation for $599. This service assesses 38 personality traits, including sincerity, discretion, decision-making ability, objectivity, emotional balance, emotional maturity, and substance-abuse risk.
This approach requires a handwriting sample and birth data (date, time, and location). It does not replace criminal-record checks but supplies staggering perspective on character, compatibility, and timing, frequently not found through any other method.
Handwriting analysis is one of the most objective and non-discriminatory forms of personality analysis. More information here.
“Millionaires don’t use astrology, billionaires do.” J.P. Morgan (1837–1913) – Financier and First Billionaire Source: Evangeline Adams, The Bowl of Heaven (1926). Note: Adams, an astrologer who advised J.P. Morgan, successfully defended astrology as a science in a New York court in 1914.
More astrology quotes here.
Polygraph Examinations
Private polygraph (lie-detector) tests generally cost $400 to $1,200 for a single-issue examination. Multi-issue or complex tests can reach $2,000 or higher. Location, examiner credentials, and report requirements influence the final price. Results are not universally admissible in court, yet some individuals and businesses still use them for personal or employment-related questions.
Private Investigators and Field Services
Licensed private investigators charge hourly rates that commonly fall between $75 and $150, with averages near $100 to $130 in many markets. Basic background investigations start around $175 to $600. Comprehensive packages that include social media review and asset research often cost $600 to $1,200 or more.
Surveillance packages frequently cost $800 to $1,500 per investigator per day. Multi-day operations or cases requiring two investigators increase the total. Retainers of $1,500 to $5,000 are standard for open-ended work.
Skip-tracing or locate services typically range from $200 to $1,000. Asset searches start near $500 and can exceed $5,000 depending on complexity and jurisdiction.
Full investigations that involve interviews with former associates, extensive database work, and field verification often begin at $2,000 and frequently reach $7,500 or higher for competent specialists.
Forensic Accounting and Specialized Financial Investigations
Forensic accountants charge $150 to $600 per hour. Simple fraud or lifestyle analyses for small matters may total $5,000 to $15,000. Employee-theft or vendor-fraud cases commonly fall between $8,000 and $45,000. High-net-worth divorce asset tracing or complex partnership disputes can exceed $50,000 and, in large corporate matters, reach six figures.
Dark Web and Advanced Intelligence Platforms
Free or low-cost dark-web checks exist through Have I Been Pwned and limited tiers of Intelligence X. Full commercial access to platforms such as Intelligence X, DarkOwl, or Flare begins in the low thousands of dollars per year and scales into five- or six-figure annual contracts for enterprise coverage. These tools index forums, paste sites, and leaked datasets that ordinary search engines do not reach.
Legal and Court-Related Support Services
Beyond process serving, attorneys or investigators may obtain certified court documents, conduct formal depositions, or coordinate subpoenas. Costs vary widely and often fall under broader legal-fee arrangements rather than fixed investigation prices.
Additional Considerations
Self-assessment personality tests rarely succeed because the person can manipulate answers. Informal discussions with untrained colleagues usually produce speculation rather than usable intelligence. A psychologist may offer character insights, yet most require in-person sessions and the subject’s cooperation, both of which are frequently unavailable.
Any investigation must respect applicable privacy laws, fair-credit reporting rules, and restrictions on surveillance or pretexting. Information that appears free online can still carry legal limits on how it can be used, especially for employment, housing, or credit decisions.
Choosing the right combination of methods depends on the specific risk, the time available, and the budget. Starting with free public sources and escalating as needed keeps costs controlled while still producing useful information.
Copyright © 2026 Scott Petullo
Sources
PACER Service Center. “How much does it cost to access documents using PACER?” https://pacer.uscourts.gov/help/faqs/how-much-does-it-cost-access-documents-using-pacer.
PACER. “PACER Pricing: How fees work.” https://pacer.gov/pacer-pricing-how-fees-work.
Scott Petullo. “Reliability and Confidentiality Evaluation.” https://scottpetullo.com/services/reliability-and-confidentiality-evaluation/.
Scott Petullo. “5 Possible Ways to Understand and Outmaneuver Your Enemy.” https://scottpetullo.com/2011/07/5-possible-ways-to-understand-and-outmaneuver-your-enemy/.
LegalClarity. “How Much Does a Lie Detector Test Cost?” https://legalclarity.org/how-much-does-it-cost-to-get-a-lie-detector-test/.
LieDetectorTest.com. “Lie Detector Test Cost 2026.” https://liedetectortest.com/prices.
ForensicLedger. “How Much Does a Forensic Accountant Cost?” https://forensicledger.com/blog/how-much-does-forensic-accountant-cost/.
ServeCircuit. “Process Server Costs by State.” https://servecircuit.com/blog/process-server-cost-by-state/.
Insight Investigative Group. “Private Investigator Rates.” https://www.insightinvestigationsgroup.com/rates-surveillance-costs-.
Zealous Advocate. “How Much Does a Private Investigator Cost in 2026?” https://zealousadvocate.com/resources/law/private-investigator-cost/.
Espectrosint. “Best OSINT Tools for Investigators.” https://www.espectrosint.com/blog/best-osint-tools-for-investigators.
Various consumer people-search pricing pages for Spokeo, BeenVerified, Intelius, and TruthFinder (2026 public listings).
Hunchly pricing information compiled from software review sites reporting classic licenses near $110–$170 annually (2026).