The vulnerabilities applied to open Wi-Fi, as well as networks secured by the WEP and WPS standards. But the problem isnât simply a matter of networks lacking sufficient protection. Most end users are unaware of the risks involved in using public Wi-Fi. They treat it as just another network, and use it to send sensitive information via email or connect to online banking or e-commerce services.
half-century - a period of 50 years. period, period of time, time period - an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. century - a period of 100 years. Translations.
   The 20th century is the 20th group of 100 years, so it ended at  2000. If the century and the the digits they start with were the  same, I.E. the 19th Century was the years 1900 to 1999, then by  default the 1st Century would have to be the years 100 to 199.irst, the 1900s are slightly out of alignment  with the 20th century which is why peopl â¦ e confuse them. You are not  referring to the same years. So the 1900s refers to 1900 to 1999  whereas the 20th century refers to 1901 to 2000.