5mbcompany
2 posts
Oct 13, 2025
10:33 PM
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"Cam giac tai khoan bi xam nhap chac chan la mot con ac mong doi voi bat ky ai su dung Internet ngay nay. Tu email, mang xa hoi den tai khoan ngan hang truc tuyen, moi tai khoan deu chua dung nhung thong tin quan trong. Lam the nao de chung ta co the ""cam cuong"" an toan trong the gioi so day ray nhung moi de doa tiem tang nay? Dung lo lang, viec bao ve tai khoan khong he phuc tap nhu ban nghi. Bai viet nay se chia se 5 ""bi kip"" cot loi, don gian ma cuc ky hieu qua, giup ban dung len mot la chan vung chac cho moi hoat dong truc tuyen cua minh. Day chinh la chia khoa de ban tu tin luot web ma khong phai nom nop lo so bi danh cap danh tinh hay du lieu ca nhan. Hay cung kham pha 5 ""ngon giao"" bao mat ma bat ky nguoi dung Internet nao cung can trang bi ngay hom nay.
Suc Manh Cua Mat Khau Manh: Hon Ca Mot Chuoi Ky Tu Ngau Nhien
5mb Buoc dau tien va quan trong nhat trong hanh trinh bao mat chinh la viec thiet lap mat khau ""bat kha xam pham"". Rat nhieu nguoi thuong mac sai lam tai hai la su dung nhung mat khau de doan nhu ngay sinh, ten thu cung, hoac don gian la ""123456"". Nhung mat khau nay gan nhu la loi moi goi trang tron cho cac hacker. Mat khau manh can phai dai, ket hop da dang cac loai ky tu: chu hoa, chu thuong, so va ky tu dac biet. Hay nghi den viec tao ra mot ""cau than chu"" dai it nhat 12 ky tu, khong lien quan gi den thong tin ca nhan cua ban. Hon nua, nguyen tac vang la khong bao gio dung chung mot mat khau cho nhieu dich vu khac nhau. Moi tai khoan quan trong, tu email chinh den tai khoan thuong mai dien tu, deu can mot mat khau duy nhat. Viec su dung trinh quan ly mat khau (Password Manager) la mot giai phap tuyet voi giup ban ghi nho hang loat mat khau phuc tap ma khong can phai ghi chep lung tung, giu cho ""can cu"" cua ban luon duoc bao ve nghiem ngat.
Kich Hoat Xac Thuc Hai Yeu To (2FA): Tam Luoi An Ninh Thu Hai Khong The Thieu
Neu mat khau la canh cua, thi Xac thuc hai yeu to (Two-Factor Authentication – 2FA) chinh la lop khoa an ninh thu hai, khien nhung ke xam nhap du co lay duoc mat khau cua ban cung tro nen vo dung. 2FA yeu cau ban phai cung cap them mot ma xac minh thu hai, thuong la ma duoc gui qua tin nhan dien thoai hoac tao ra boi ung dung xac thuc (nhu Google Authenticator hay Authy), sau khi ban nhap mat khau. Day la mot buoc phong thu cuc ky hieu qua chong lai cac cuoc tan cong lua dao (phishing) hoac khi mat khau cua ban vo tinh bi lo. Hay bien 2FA thanh thoi quen cho tat ca cac tai khoan nhay cam nhu email chinh, mang xa hoi lon, va dac biet la cac dich vu tai chinh. Mac du co them mot buoc dang nhap, su tien loi nho nay mang lai loi ich bao mat khong lo, giup ban yen tam hon rat nhieu.
Canh Giac Cao Do Voi Lua Dao Truc Tuyen (Phishing): Dung Tin Vao Nhung Loi Moi Qua Hoi
The gioi so tran ngap nhung email, tin nhan tu xung la ngan hang, cong ty dich vu lon hoac tham chi la ban be, yeu cau ban nhap vao duong link la hoac cung cap thong tin nhay cam. Day chinh la nghe thuat lua dao (phishing). Ke xau ngay cang tinh vi hon trong viec gia mao giao dien va noi dung. Luon giu mot thai do hoai nghi lanh manh. Truoc khi nhap vao bat ky duong link nao hoac tai xuong tep dinh kem, hay kiem tra ky dia chi email cua nguoi gui, xem no co khop voi ten mien chinh thuc cua to chuc do hay khong. Doi voi cac trang web yeu cau dang nhap, hay tu minh go dia chi trang web vao trinh duyet thay vi nhap qua link la. Hay nho rang, cac to chuc uy tin se khong bao gio yeu cau ban cung cap mat khau qua email. Su canh giac nay chinh la bo loc thong minh nhat bao ve ban khoi viec tu minh ""mo cua"" cho ke xau.
Luon Cap Nhat Phan Mem va He Dieu Hanh: Va Lo Hong Truoc Khi Chung Bi Khai Thac
Cac nha phat trien phan mem va he dieu hanh khong ngung lam viec de va cac lo hong bao mat moi phat hien. Viec bo qua cac ban cap nhat phan mem giong nhu viec ban xay mot ngoi nha dep nhung lai co tinh de ngo mot vai cua so. Nhung lo hong chua duoc va la muc tieu beo bo cho tin tac khai thac. Hay thiet lap de he dieu hanh (Windows, macOS, iOS, Android) va cac ung dung quan trong luon tu dong cap nhat. Dieu nay ap dung cho ca trinh duyet web ban dang su dung, boi trinh duyet la cua ngo chinh de ban tiep xuc voi Internet. Viec duy tri mot he thong luon ""tuoi moi"" voi cac ban va bao mat moi nhat la mot bien phap phong ngua thu dong nhung vo cung manh me, giup ngan chan nhieu loai tan cong tu dong khai thac diem yeu cu.
Quan Ly Quyen Rieng Tu va Du Lieu Ca Nhan: Biet Minh Dang Chia Se Gi
Trong ky nguyen du lieu, viec ban chia se thong tin ca nhan tren mang xa hoi hay cac ung dung can phai duoc kiem soat chat che. Hay thuong xuyen xem lai cai dat quyen rieng tu tren cac tai khoan mang xa hoi cua ban. Han che chia se qua nhieu thong tin chi tiet ve lich trinh, dia diem hien tai, hoac cac thong tin ca nhan ma ke xau co the dung de doan mat khau (nhu ten con dau long, truong hoc cu). Khong chi vay, hay can nhac ky truoc khi cho phep cac ung dung ben thu ba truy cap vao du lieu tren tai khoan Google hay Facebook cua ban. Moi quyen ban cap cho mot ung dung la mot kenh du lieu tiem nang bi lo. Hay ap dung nguyen tac ""it nhat can thiet"" – chi cap nhung quyen thuc su can thiet cho hoat dong cua ung dung do. Bao ve du lieu ca nhan chinh la bao ve tuong lai tai chinh va danh tieng cua chinh minh tren khong gian mang rong lon nay."
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