Mitzvah Day International Day around the world. Though based within the UK's Jewish Community, Mitzvah Day traditionally marks the first day of UK National Inter Faith Week, and as a result has expanded to include participants from other faith communities as well. 'Mitzvah' is the Hebrew biblical term for 'deed' or 'commandment', which has come to mean 'good deed' or 'charitable act' in contemporary English. The 2017 date is November 19. Mitzvah Day International was founded by Laura Marks in 2005, who, upon returning to her native UK from a period spent in Los Angeles, decided to bring the 'Mitzvah Day' concept she
Bar mitzvah attack attack is named after the bar mitzvah ceremony which is held at 13 years of age, because the vulnerability exploited is 13 years old and likely inspired by the naming of the unrelated birthday attack. Bar mitzvah attack The bar mitzvah attack is an attack on the SSL/TLS protocols that exploits the use of the RC4 cipher with weak keys for that cipher. While this affects only the first hundred or so bytes of only the very small fraction of connections that happen to use weak keys, it allows significant compromise of user security, for example by allowing the interception