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How a casino protects players from phishing attacks
Phishing is the main way to hijack accounts and money. Site clones, fake mailings, chat admin, paid numbers, QR codes - attackers disguise themselves as a brand in order to lure logins, 2FA codes and payment details. In the licensed sector, protection is built systematically: technology + processes + training. Below is what it looks like for a mature operator and what signals a player should know.
1) Domain and mail protection (anti-spoofing)
SPF, DKIM, DMARC (p = reject) - prohibit the substitution of outgoing letters; TLS-RPT and MTA-STS control mail encryption.
BIMI is a brand icon next to letters (increases recognition and reduces "false brands").
Signature of important letters (instructions, KYC): labels "we never ask for a password/codes."
Domain separation: marketing ('mail. brand. com ') ≠ account (' account. brand. com ') ≠ support (' help. brand. com`).
DMARC reporting is monitored daily; suspicious sources are blocked.
2) HTTPS, HSTS and content policy
TLS 1. 2/1. 3 everywhere, HSTS preload and prohibition of mixed content.
CSP + 'frame-ancestors' - protection against embedding forms on other people's sites (clickjacking).
Secure cookies ('Secure; HttpOnly; SameSite`).
The canonical domain is fixed in the interface: the player always sees the same transitions to login/payments.
3) Monitoring clones and "similar" domains
CT monitoring: tracking new brand/similar domain certificates.
Search for time slots/IDN homographs (rn↔m, 0↔o, kirillitsa↔latinitsa).
Tracking "newly observed domains" at registrars and in threat feeds.
SEO/Ads-protection: complaints about fake advertisements, whitelisting in a branded context.
4) Identifying and blocking phishing in social networks and instant messengers
Verified icons at official pages; uniform @ handles.
Brand-protection services: search for fake pages, Telegram bots "support," "givas."
The "Complain" button in the application/office - the player sends a link/screen, the case flies directly to security.
5) Takedown procedures (quick "removal" of phishing)
Templates of letters to the registrar/hoster/Cloud-provider (abuse), attached are proofs of TM/copyright infringement.
In parallel - applications to browser block lists (Google Safe Browsing, etc.) and anti-virus feeds.
In case of mass attacks - escalation to CERT/CSIRT and payment networks (to block violators).
SLA: hours, not days. Separate dashboard "time before removal."
6) Authentication that breaks phishing
Passkeys/FIDO2 (WebAuthn) - login without a password, resistant to fake sites.
TOTP/Push with match code - if push notifications, then confirmation by a matching short code, so as not to "tap blindly."
Step-up before displaying/changing details - even when a session is stolen, the attacker rests on additional confirmation.
7) Antibot and login protection
WAF + bot management: clipping credential-stuffing (mass brute force "email + password").
Pwned-passwords: prohibit the use of passwords from leaks.
Rate-limit and "warm up" challenges with atypical traffic.
Device fingerprinting and risk scoring blocks for suspicious sessions.
8) Transparent communications "inside" the product
In-app notification center: all important messages are duplicated in the office (not only by mail).
Anti-phishing phrase in profile: support will never ask for it in its entirety; in letters we show its part for channel verification.
Warning banners during active fraudulent campaigns (with examples of fake emails/sites).
9) Player and staff training
Security page with examples of fake domains, "learn phishing" checklist, complaint form.
Periodic security campaigns in e-mail/application: "we never ask for codes/password," "how to check the domain."
Training for support/VIP managers: social engineering, ban on dumping by "date of birth," de-escalation scripts.
10) Incidents: "red button" and return of trust
Runbook: block of tokens/sessions, forced password change, temporary freezing of outputs with new details, mass in-app/mail notifications.
Forensics: IOC collection, traffic sources, advertising channels, list of mirror domains.
Post-sea: publication of results, what has been done, how to avoid repetition (transparency increases confidence).
How to recognize phishing (quick test for the player)
1. Domain letter-to-letter? Check the address bar (dangerous: 'rn' instead of 'm', 'o' Cyrillic instead of Latin).
2. Are there https ://and "lock" without errors? (click → certificate issued to the desired domain).
3. Email asking for password/2FA code/documents "urgent"? It's a red flag.
4. Does the link lead inside the office (and he shows the same message)? If not, don't click.
5. Doubtful - open the site from the bookmark and check the "Notifications" section.
Operator checklist (short)
DMARC `p=reject` + SPF/DKIM, BIMI, MTA-STS/TLS-RPT.
HSTS preload, TLS 1. 2/1. 3, CSP, secure cookies.
CT monitoring, catching IDN/timeposts, takedown processes (SLA in hours).
Brand-protection for social networks/instant messengers/advertising networks.
Passkeys/FIDO2 + TOTP; step-up for payments/changes in details.
WAF + bot management, pwned passwords, rate-limiting, device fingerprinting.
In-app notification center, anti-phishing phrase, public page "Security."
"Red button" incidents + post-sea communication.
Checklist for the player
Turn on Passkeys or TOTP, SMS - reserve only.
Visit only https ://and from the bookmark; do not click links from emails/instant messengers.
Do not tell anyone the password/codes; support doesn't ask them.
Suspicious email/site - send via the "Report phishing" form in the office.
Enable input/change notifications; store backup codes offline.
SMS phishing (smishing) and phone vishing - how to act
Smishing: links from SMS lead to "similar" domains. Open the site from a bookmark, not a link.
Wishing: "operator" asks for code/password - go on-hook; official support doesn't ask for secrets.
Upon receipt, "payment is frozen - send a code": go to the office - if it is quiet there, this is a divorce.
Frequent questions (short)
Why BIMI, is it a "picture"?
So that users quickly recognize the official channel and ignore clones.
Does the EV certificate solve the phishing problem?
No, it isn't. More important are HSTS, CSP, Passkeys and training. EV is only one of the trust levels.
Can phishing be completely defeated?
No, but you can ensure that attacks are quickly detected, removed and do not lead to losses (Passkeys/step-up + processes).
Phishing protection is more than one spam filter. This is a chain of measures: solid mail anti-spoofing, strict HTTPS and content policy, domain and social media monitoring, fast takedown, strong authentication (Passkeys/TOTP), in-app communication and ongoing training. Such a set makes mass attacks short and ineffective, which means it retains the funds and trust of the players.