Why you can't enter data on mirrors without SSL
A "mirror" is a copy of a site on a different domain/subdomain. In gambling, mirrors are often used for blocking. If the mirror opens without HTTPS (SSL/TLS), you cannot enter data there: the connection is read and changes on the way. This is not only about "hackers in a cafe," but also about intermediate nodes - from an infected router to a provider, a proxy and a harmful extension.
What exactly can go wrong without SSL
1. Theft of login and password
HTTP transmits everything "openly." Enough sniffer in public Wi-Fi or on a router - and an account with an attacker.
2. Session hijacking
Session cookies without 'Secure' leak and allow you to log in without a password.
3. Substitution of page/details
Any "intermediary" can discreetly insert a false KYC form, change the card/wallet number for withdrawal, and replace the support address.
4. Payment substitution and "invisible" forms
Script injection changes payment details or adds hidden auto-submitts - money flies "nowhere."
5. SSL-stripping
Even if the "official" domain is on HTTPS, an attacker on the network can force you down to HTTP on a mirror without HSTS.
6. Phishing under the guise of a mirror
A clone without a certificate (or with a self-signed/left) disguises itself as a working mirror and collects logins, 2FA and card data.
Why is it also illegal/expensive for the operator
PCI DSS: entering card data on HTTP is a direct violation. Fines and withdrawal of acquiring are threatened.
GDPR/similar laws: PII/KYC by HTTP = processing security violation. Risks of fines and prescriptions.
Licensing conditions: most regulators require HTTPS everywhere and the protection of personal/payment data.
Reputation and ADR: a dispute with a player when leaked on an unprotected mirror is almost guaranteed to be lost.
Typical attacks on mirrors without SSL - on fingers
Evil Twin Wi-Fi: A fake dot with the same name. All HTTP traffic is read/changed.
DNS spoofing: spoofing the DNS response does not lead where you thought it would. It's hard to see on HTTP.
Provider/proxy injection: insert advertising/harmful JS "on the road."
Parasite extension in the browser: changes the forms and numbers of wallets only on HTTP pages.
Captive portals (hotels/airports): before authorization, HTTPS is blocked/replaced, and HTTP is open - an ideal trap.
"But there's also a castle..." - we analyze myths
The browser lock is only on HTTPS. Without HTTPS, there is no "lock" - and this is a red flag.
A self-signed/invalid certificate is not "normal." It is almost always either a mistake or a MITM attempt.
"There are no payments, just a login" - a login is more valuable than money: both money and documents will be stolen through it.
How a player can distinguish a secure domain in 30-60 seconds
1. The address is strictly with 'https ://' and "lock" without errors.
2. Domain letter-to-letter: no 'rn' instead of 'm', Cyrillic instead of Latin.
3. Clicking on the "lock" → the certificate was issued by trusted CAs, in the SAN - this is the domain.
4. There are no "Not secure" or "Mixed content" warnings on the login/wallet pages.
5. Doubt it - go from the bookmark to the main domain and go to the mirrors only from the internal links of the cabinet.
Quick check commands (if you can use the console)
bash
Show chain and SAN openssl s_client -connect mirror. example:443 -servername mirror. example -showcerts </dev/null 2>/dev/null      openssl x509 -noout -subject -issuer -dates -ext subjectAltName
Check curl -sI security headers https ://mirror. example      grep -Ei 'strict-transport-security    content-security-policy    x-content-type-options    x-frame-options    frame-ancestors    referrer-policy    set-cookie'
Make sure that HTTP redirects to HTTPS curl -I http ://mirror. exampleIf HTTPS does not work/swears, we do not enter anything.
What is the operator obliged to do (mirrors are also "adult")
1. HTTPS everywhere: TLS 1. 2/1. 3, correct chain, HSTS preload (after elimination of mixed content).
2. Prohibit HTTP content: strict CSP, HTTPS resources only.
3. Redirect HTTP→HTTPS on all mirrors, same cookie policy: 'Secure; HttpOnly; SameSite`.
4. CT brand monitoring: new issuance of a certificate for a "similar" domain - alert and verification.
5. DNS CAA records: restrict which CAs can issue domain/subdomain certificates.
6. mTLS and CDN encryption: mirrors often sit behind proxies - traffic to origin is also encrypted.
7. Auto renewal of certificates + alerts: 30/14/7/1 day before expiration.
8. Warning banner during attacks: "We never ask for data on HTTP" + link to security page.
9. Takedown procedures for phishing mirrors: registrar/hoster, browser block lists, ad networks.
10. Passkeys/TOTP + step-up on sensitive actions - even if the network is compromised, you will not be able to withdraw money.
Player checklist
- Log in only at https ://and from bookmark.
- "Lock" without errors; certificate for the same domain.
- Do not enter login/CCS/card if the browser writes Not secure or swears at the certificate.
- Enable 2FA (Passkeys/TOTP) and input/change notifications.
- Public Wi-Fi → only via VPN, otherwise wait for a secure network.
- Any doubts - go to the main domain and open the "Notifications "/" Security "section.
Operator's checklist
- All mirrors on TLS 1. 2/1. 3, HSTS (+ preload), strict CSP, no mixed content.
- Single redirect HTTP→HTTPS, cookie'Secure; HttpOnly; SameSite`.
- CT monitoring, CAA in DNS, auto-renewal of certificates.
- TLS encryption behind CDN and mTLS on internal/webhooks.
- Passkeys/TOTP, step-up to change details/output.
- Security public page and in-app alerts during attacks.
- Quick takedown procedures for phishing clones.
FAQ (short)
You can enter only your login, without a password - just look?
No, it isn't. Any input on HTTP can leak, and login + followed by a password is a classic bundle for theft.
And if the certificate is "self-signed" for an hour - is that OK?
No, it isn't. Trust only certificates from recognized CAs without browser errors.
Why was my antivirus silent?
Antivirus does not always catch MITM/form substitution. Sign No. 1 - no HTTPS or the browser swears at the certificate.
A mirror without SSL is an invitation to steal an account, money and documents. The rule is simple: there is no valid HTTPS → we do not enter anything. For players - only protected domains from bookmarks and enabled 2FA. For operators - mirrors with the same strict TLS standards as the main site: HSTS, CSP, redirects, CT monitoring and quick removal of phishing clones. It is cheaper and safer than any "debriefing" after the incident.
