Cong cu tao mat khau: khi nao nen dung
Cong cu Tao Mat Khau tao mat khau ngau nhien ngay tren trinh duyet cua ban bang cach su dung bo tao so ngau nhien bao mat Web Crypto. Khong co du lieu nao duoc tai len. Huong dan nay giai thich cac tinh huong ma cong cu nay giup ban tranh mat khau de doan hoac bi dung lai.
freetoolonline.com Editorial TeamTao tai khoan moi
Khi dang ky mot dich vu moi, ban co co hoi thiet lap mot mat khau manh. Cong cu bat dau voi 16 ky tu va ca bon bo - chu thuong, chu hoa, chu so va ky hieu - duoc bat, cung cap khoang 98 bit entropy uoc tinh. Dan ket qua vao truong mat khau moi va luu vao trinh quan ly mat khau truoc khi dong tab, vi cong cu khong luu gi giua cac lan truy cap.
Dat lai mat khau
Mot lan dat lai bat buoc la co hoi tot de tu bo mat khau da tung dung truoc do. Viec tu dat ra mot mat khau moi thuong co xu huong quay lai cac mau quen thuoc - tu dien, nam sinh, ky tu lap lai. Cong cu nay tranh dieu do: moi ky tu duoc chon bang bo tao so ngau nhien bao mat cua trinh duyet, khong co thong tin ca nhan nao co the xuat hien trong ket qua.
Thay the mat khau bi dung lai
Dung cung mot mat khau cho hai dich vu co nghia la neu mot dich vu bi xam pham, ca hai deu bi lo. Khi phat hien mat khau bi dung lai, mo cong cu, dat do dai 16 ky tu tro len va sao chep mat khau moi vao trang su dung it hon truoc, roi den trang su dung nhieu hon. Vi cong cu chay hoan toan tren trinh duyet va khong tao lich su, hai mat khau hoan toan doc lap du duoc tao lien tiep trong cung mot phien lam viec.
Khi mot trang web khong cho phep mot so ky tu
Mot so dich vu tu choi mat khau co ky hieu. Bo chon hop ky hieu de loai bo chung khoi bo ky tu, sau do them vai ky tu vao thanh do dai de bu lai entropy bi giam. Vi du, loai bo ky hieu khoi mat khau 16 ky tu se giam khoang 15 bit; tang do dai len 19 se khoi phuc lai entropy do. Nhan hieu do manh cap nhat theo thoi gian thuc de ban biet khi nao da lay lai duoc entropy da mat.
Khi ban dung may tinh dung chung
Cong cu chay cuc bo va khong tao lich su - lam moi tab se xoa ket qua va khong co gi duoc luu tren trang. Neu ban su dung no tren may tinh dung chung hoac cong cong, sao chep mat khau thang vao dich vu dich va dong tab. Khong sao chep vao tep van ban thuan tuy hoac de tab mo.
Doc va go mat khau bang tay
Cac bo chu thuong, chu hoa va chu so co y bo qua cac ky tu trong giong nhau: chu thuong bo l va o, chu hoa bo I va O, va chu so bo 0 va 1. Neu ban can doc mat khau tren man hinh va go vao noi khac - nhu dang nhap TV chang han -, lua chon nay giup sao chep chinh xac ma khong nham lan ky tu.
Khi cong cu khong phai la lua chon phu hop
Mat khau duoc tao ngau nhien chi huu ich neu ban luu no o noi an toan truoc khi dong tab. Neu ban khong co trinh quan ly mat khau va phai ghi nho mat khau, mot chuoi 16 ky tu ngau nhien tro len khong the nho duoc. Trong truong hop do, mot cum tu (bon tu khong lien quan, 30 ky tu tro len) de nho hon trong khi van du dai. Cong cu phu hop nhat khi trinh quan ly xu ly viec luu tru; tri nho phu hop hon khi khong co trinh quan ly.
Huong dan lien quan
- Password Generator tool - tao mat khau manh tren trinh duyet ma khong can tai len.
- Password generator step by step - huong dan tung dieu khien tren trang cong cu.
- Password generator vs. alternatives - so sanh cach tao mat khau tren trinh duyet voi cac phuong phap khac.
- Utility tools hub - bo day du cac cong cu chay tren trinh duyet.
Cac cau hoi thuong gap
Toi nen tao mat khau moi bao lau mot lan?
Tao mat khau moi moi khi ban tao tai khoan, dat lai mat khau da quen hoac phat hien mat khau bi dung lai. Thay doi mat khau manh va rieng biet theo lich dinh ky it quan trong hon viec dam bao moi tai khoan deu co mat khau rieng.
Mat khau 16 ky tu co du dai khong?
Voi ca bon bo ky tu duoc bat, 16 ky tu cung cap khoang 98 bit entropy uoc tinh - duoc cong cu danh gia la Rat manh. Dieu do du cho hau het cac tai khoan. Doi voi cac muc tieu co gia tri cao nhu email chinh hoac ngan hang, 20 ky tu bo sung them 24 bit ma khong can them noi luc.
Neu trang web khong chap nhan mat khau duoc tao thi sao?
Thu bo chon hop ky hieu truoc, vi nhieu trang chan ky tu khong phai chu va so. Neu trang cung gioi han do dai, hay dieu chinh thanh truot cho phu hop. Chinh sua cho den khi trang chap nhan dau vao, roi bam Tao de tao mat khau moi voi cac rang buoc do.
Toi co the dung cung mot mat khau duoc tao cho hai trang web khong?
Khong - su dung lai mat khau tieu tan muc dich. Neu mot su co lo lo mat khau dung chung, ca hai tai khoan deu co nguy co. Bam Tao mot lan moi tai khoan va luu tung mat khau vao trinh quan ly de khong bao gio phai dung lai.
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