RiskUnified Blog
Fraud & risk intelligence, in practice
How to read email, phone and IP signals, and turn them into real-time decisions that stop fraud without blocking real users.
Fraud Scoring at Signup: Combining Email, Phone, and IP
The strongest signup fraud defense combines email, phone, and IP risk into one decision. Learn how to layer these signals into a real-time scoring model.
Read article →How to Detect VPNs and Proxies by IP
VPNs and proxies hide a user's true network and location. Learn how known-VPN flags and datacenter classification detect anonymized traffic in real time.
Jul 28, 2026How to Detect Disposable and Temporary Email Addresses
Disposable email addresses are a top signup-fraud signal. Learn how temporary email domains work and how to detect them in real time before an account is created.
Jul 28, 2026How to Detect VoIP Numbers (and Why It Matters for Fraud)
VoIP numbers are cheap, disposable, and a leading signal of phone-based fraud. Learn how carrier and line-type lookups detect VoIP and why it matters at signup.
Jul 27, 2026Email Deliverability as a Fraud Signal: Catch-All and SMTP Checks
Undeliverable and catch-all email addresses quietly predict fraud and chargebacks. Learn how SMTP verification and catch-all detection strengthen signup risk scoring.
Jul 26, 2026How to Stop OTP and SMS Fraud with Phone Risk Scoring
SMS pumping and OTP abuse drain budgets and create fake accounts. Learn how phone risk scoring stops SMS fraud before you ever send the verification code.
Jul 25, 2026Gmail Alias Abuse: Detecting Plus and Dot Tricks
One Gmail inbox can generate unlimited unique-looking addresses using plus and dot tricks. Learn how alias abuse fuels multi-accounting and how to normalize and detect it.
Jul 24, 2026Carrier and Line-Type Lookups: A Practical Guide
Carrier and line-type lookups reveal whether a number is mobile, landline, VoIP or prepaid. Learn what each field means and how to use it in fraud and risk decisions.
Jul 23, 2026Domain Age and Reputation: A Quiet but Powerful Fraud Signal
The age and reputation of an email domain predict fraud better than most people expect. Learn how domain age, registrar and DNS signals sharpen signup risk scoring.
Jul 22, 2026Datacenter vs Residential IPs: Why the Difference Matters
Datacenter IPs behave nothing like residential ones in fraud terms. Learn how IP classification and confidence scoring separate real users from automated abuse.
Jul 21, 2026How to Reduce Chargebacks with Pre-Transaction Identity Checks
Chargebacks are cheaper to prevent than to fight. Learn how pre-transaction identity and risk checks cut fraud chargebacks and friendly fraud before you capture payment.
Jul 20, 2026Using IP Geolocation and ASN Data for Fraud Prevention
IP geolocation and ASN data reveal location mismatches and risky networks. Learn how to use geo and network intelligence to catch fraud without blocking real users.
Jul 19, 2026Account Takeover (ATO) Prevention: Signals That Actually Work
Account takeover slips past passwords using stolen credentials. Learn which IP, phone, and behavioral signals detect ATO at login and how to respond without blocking users.
Jul 18, 2026Put these signals to work
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