Cach nhan dien link gia mao khi truy cap nen tang online: Nhung dau hieu khong the bo qua

Moi ngay co hon 3,4 ty email gia mao duoc gui di tren toan cau, theo bao cao cua Talos Intelligence nam 2023. Trong so do, khoang 65% chua cac duong link dan den website lua dao. Khi ban dang luot Facebook, nhan tin nhan Zalo hay kiem tra email tu ngan hang, chi mot cu click thieu canh giac co the khien tai khoan bi danh cap. Cach nhan dien link gia mao khi truy cap nen tang online khong phai la dieu qua kho, nhung doi hoi ban phai trang bi mot vai ky nang quan sat co ban. Toi se chi cho ban tung buoc cu the. Tim hieu them tai xocdia88

Kiem tra ten mien truoc khi click

Dieu dau tien va quan trong nhat la nhin vao URL. Link that cua mot nen tang nhu Shopee luon co dang shopee.vn hoac shopee.com. Link gia mao thuong bien tau bang cach them mot vai ky tu la. Vi du, ban nhan duoc tin nhan tu "ngan hang Vietcombank" voi duong link https://vietcombank-verify.com. Nhin ky: dau gach ngang giua "vietcombank" va "verify" la diem dang ngo. Ngan hang that khong bao gio dung subdomain hay ky tu dac biet kieu do. Mot truong hop pho bien khac la link gia mao trang dang nhap Facebook voi dang faceb00k.com, thay chu "o" bang so "0". Chi can ban khong de y, thong tin dang nhap se bay mat.

Theo thong ke cua Kaspersky nam 2024, hon 40% vu lua dao truc tuyen bat nguon tu viec nguoi dung khong kiem tra ten mien. Hay tap thoi quen di chuot qua link truoc khi click, hoac neu tren dien thoai, hay nhan giu link de xem URL day du. Neu thay bat ky dau hieu nhu misspell, them so, hoac ten mien la nhu .xyz, .top, .club, hay dung lai ngay.

Chu y den noi dung tin nhan va cam xuc khan cap

Ke lua dao thuong tao ra ap luc tam ly. Ho gui tin nhan voi noi dung nhu "Tai khoan cua ban se bi khoa trong 24 gio neu khong xac thuc ngay" hoac "Ban vua trung thuong 50 trieu dong, click vao day de nhan". Nhung cau chu nay danh vao su lo lang hoac long tham. Trong mot chien dich lua dao nham vao nguoi dung Lazada vao thang 6 nam 2024, tin nhan gia mao thong bao "don hang bi treo" va yeu cau click link de huy. Hang nghin nguoi da mat thong tin the tin dung chi vi voi vang.

Cach nhan dien link gia mao khi truy cap nen tang online trong truong hop nay rat don gian: hay tu hoi ban than xem ban co thuc su dang cho doi mot giai thuong hay mot canh bao tu ngan hang khong. Neu khong, do gan nhu chac chan la lua dao. Cac nen tang chinh thong nhu Google, Apple, hay ngan hang khong bao gio yeu cau ban click link de cung cap mat khau hoac OTP qua tin nhan van ban. Ho se gui thong bao trong ung dung hoac qua email co chu ky so.

Kiem tra chung chi SSL nhung dung tin tuong tuyet doi

Nhieu nguoi nghi rang neu website co o khoa xanh tren thanh dia chi thi an toan. Thuc te, o khoa do chi cho thay ket noi duoc ma hoa, khong chung minh website do la that. Ke lua dao cung co the mua chung chi SSL voi gia re, chi tu 5 den 10 do la moi nam. Mot nghien cuu cua PhishLabs nam 2023 chi ra rang hon 60% website lua dao hien nay su dung HTTPS. Vi vay, dung chi dua vao bieu tuong o khoa.

Thay vao do, hay click vao o khoa de xem thong tin chi tiet. Neu chung chi duoc cap boi mot to chuc khong quen thuoc nhu "Let's Encrypt" hay "Cloudflare" thay vi ten thuong hieu thuc te, do co the la dau hieu canh bao. Vi du, link gia mao trang dang nhap cua MoMo thuong dung chung chi tu "ZeroSSL" voi ten mien momo-payment.xyz. Trong khi do, MoMo that su dung chung chi tu "GlobalSign" voi ten mien momo.vn.

So sanh URL voi lan truy cap truoc do

Neu ban thuong xuyen vao mot nen tang, hay nho hinh dang URL cua no. Vi du, trang dang nhap cua Gmail luon la accounts.google.com, khong phai google-accounts-login.com. Mot meo nho la bookmark cac trang quan trong thay vi click link tu email hay tin nhan. Khi ban nhan duoc email tu "Netflix" thong bao gia han that bai, dung click link trong email. Thay vao do, mo trinh duyet, go netflix.com va dang nhap truc tiep. Neu co van de that, he thong se hien thi thong bao trong tai khoan cua ban.

Theo du lieu tu Anti-Phishing Working Group, 75% nan nhan cua lua dao phishing thua nhan ho da click link ma khong kiem tra URL truoc. Con so nay cho thay thoi quen don gian nhu so sanh URL co the ngan chan phan lon rui ro.

Kiem tra ngu phap va thiet ke cua trang dich

Khi ban vo tinh click vao link va trang web hien ra, hay danh vai giay de quan sat. Trang gia mao thuong co loi chinh ta, hinh anh mo, hoac bo cuc lech lac. Vi du, mot trang gia mao ngan hang Techcombank tung xuat hien voi logo sai mau va dong chu "Dang nhap" viet thanh "Dang nhap". Nhung chi tiet nho nay de bi bo qua neu ban dang voi. Ngoai ra, hay kiem tra thanh dia chi sau khi trang tai xong. Mot so link gia mao co the chuyen huong ban den mot URL khac hoan toan sau khi ban click.

Mot thu thuat pho bien khac la su dung iframe. Ke lua dao nhung trang dang nhap that vao mot khung tren website gia, khien ban nghi rang minh dang o dung noi. Cach nhan dien link gia mao khi truy cap nen tang online trong tinh huong nay la thu keo thanh cuon hoac click vao vung trong. Neu trang khong phan hoi binh thuong hoac URL tren thanh dia chi khong khop voi noi dung, hay thoat ngay.

Su dung cong cu ho tro va cap nhat trinh duyet

Cac trinh duyet hien dai nhu Google Chrome, Firefox, va Edge deu co tinh nang bao ve chong phishing tich hop. Chrome chan hon 2,5 ty trang lua dao moi thang, theo so lieu cua Google. Ban nen bat che do "Safe Browsing" trong cai dat. Ngoai ra, co the cai them extension nhu uBlock Origin hoac Bitdefender TrafficLight de quet link tu dong. Nhung cong cu nay khong mien nhiem hoan toan, nhung chung giam dang ke nguy co.

Mot meo nua la kiem tra link qua cac dich vu nhu VirusTotal truoc khi click. Ban copy URL, dan vao trang virustotal.com, va no se quet qua hon 70 cong cu bao mat khac nhau. Neu ket qua hien thi tu 2 canh bao tro len, hay xoa tin nhan do ngay lap tuc.

Nhan biet link gia mao qua mang xa hoi va ung dung nhan tin

Tren Facebook, ke lua dao thuong tao cac bai dang gia mao thuong hieu lon nhu "Shopee tang 500.000 voucher" kem link. Khi ban click, no yeu cau dang nhap lai. Tren Zalo, tin nhan tu so la voi noi dung "Co nguoi la dang nhap vao tai khoan cua ban" cung la chieu tro pho bien. Cach nhan dien link gia mao khi truy cap nen tang online trong cac truong hop nay la kiem tra ten nguoi gui. Neu so dien thoai khong nam trong danh ba hoac ten hien thi co ky tu la, dung click.

Thong ke tu Bo Cong an Viet Nam nam 2024 cho thay hon 30% vu lua dao qua mang xa hoi lien quan den link gia mao. Rieng trong quy 1 nam 2025, da co 12.000 truong hop bao cao ve cac link gia mao ngan hang tren Telegram. Nhung con so nay nhan manh tam quan trong cua viec luon giu dau oc tinh tao.

Thuc hanh an toan: khong bao gio nhap thong tin ca nhan qua link

Nguyen tac vang la khong bao gio nhap ten dang nhap, mat khau, ma OTP, hoac so the tin dung vao mot trang ma ban den tu link trong email hay tin nhan. Neu ban nghi ngo, hay mo trinh duyet va go truc tiep dia chi cua nen tang. Vi du, thay vi click link tu email "Apple ID bi khoa", hay vao appleid.apple.com bang tay. Mot nghien cuu cua Microsoft cho thay 90% vu tan cong phishing thanh cong deu yeu cau nguoi dung nhap thong tin dang nhap. Chi can tu choi buoc nay, ban da an toan.

Ket hop tat ca cac ky thuat tren, ban se giam thieu rui ro den muc toi da. Cach nhan dien link gia mao khi truy cap nen tang online khong chi la ky nang, ma con la thoi quen can ren luyen moi ngay. Hay bat dau tu hom nay: kiem tra URL, canh giac voi tin nhan khan cap, va luon truy cap truc tiep thay vi click link. Mot giay dung lai co the cuu ban khoi mat hang trieu dong. Thong tin chi tiet tai Xocdia.ink