Category Archives: Social

華盛頓郵報的歷史創舉:呼籲對告密者的求刑

在英國衛報與華盛頓郵報因報導 Snowden 事件而拿到 2014 年的普立茲獎後,華盛頓郵報正式公開立場,表達應該將 Snowden 弄回美國受審,而非現在大家在呼籲的特赦:「WashPost Makes History: First Paper to Call for Prosecution of Its Own Source (After Accepting Pulitzer)」。 In doing so, the Washington Post has achieved an ignominious feat in U.S. media history: the first-ever paper … Continue reading

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MasterCard 在英國被告收取過高的手續費

在「Mastercard sued for $19 billion in Britain's biggest damages claim」這邊看到的幾個重點,第一個是歐盟對國際手續費 1% 的限制:(雖然 Brexit...) A lawyer working on the case said Mastercard charged shops fees in excess of 1 percent for card use on international transactions between 1992 and 2008.Although the … Continue reading

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印度的免費 4G...

印度最富有的企業家決定提供免費的 4G 網路讓更多人可以上網:「India's richest man offers free 4G to one billion people」: India's richest man is rolling out a $20 billion mobile network that could bring lightning-fast Internet to hundreds of millions of people. 到 2016 年底: Indians will be … Continue reading

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2012 與 2016 美國總統選舉的變化

在 The Economist 這邊看到圖表,比較 2012 與 2016 年投票的變化:「Who voters supported in the last American election compared with this one」。2016 美國總統選舉將在 11 月初舉辦,這邊是目前的情況。 這張圖表頗清楚的,雖然有些比例不太對... 可以看到兩大黨以外的票比 2012 增加了不少。

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拿 Twitter 當作 Botnet 橋樑的惡意軟體

在「Twitoor First Android Twitter-based Botnet」這邊看到的消息,原報導在「First Twitter-controlled Android botnet discovered」。 相較於 IRC 控制來得難以被偵測。因為 IRC 的特性比較好抓 (無論是 Protocol 或是 IP address),而 Twitter 卻是一般人就常常會上的網站 (而且是 HTTPS),暫時沒想到太簡單的方法從網路層面偵測... 其實同樣道理可以用其他大的平台做 (像是 GitHub 也是可能的平台),不知道網路層上要怎麼防比較有效...

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SSL/TLS 以及 PKI 的歷史 (加上各種風風雨雨)

在 Twitter 上看到 Let's Encrypt 轉了這則講 SSL/TLS 與 PKI 的時間線:「SSL/TLS and PKI History」。 A nice timeline of events in the history of SSL/TLS: https://t.co/mRXg2yX75Y — Let's Encrypt (@letsencrypt) August 30, 2016 這幾年的資料比較完整,看著這些時間線剛好可以拿來複習一下。 而 2013 年 Snowden 的事情也被放進去了,這使得這三年各種 SSL/TLS 化的進展急劇加速 (包括各種 … Continue reading

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Facebook 推薦好友機制的演算法讓更多的隱私問題浮現...

在「Facebook recommended that this psychiatrist’s patients friend each other」這邊報導了 Facebook 推薦好友機制的演算法意外的拉出了奇怪的東西: [...], such as this story from Lisa*, a psychiatrist who is an infrequent Facebook user, mostly signing in to RSVP for events. Last summer, she noticed that the social … Continue reading

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大量破解 Facebook 帳號的方法

Facebook 安全設計上的問題造成的重大漏洞:「Hacker reveals How He Could have Hacked Multiple Facebook Accounts」。 攻擊者先用很多 proxy 去打出哪些 id 是有效的: Gurkirat first collected valid Facebook IDs by making queries to Facebook Graph API starting with 100,000,000,000,000, since Facebook IDs are generally 15-digit long and … Continue reading

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OpenStreetMap 推出 OpenStreetView

OpenStreetMap 也開始嘗試街景圖了:「Introducing OpenStreetView」。 資料愈來愈豐富了...

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Facebook 開源的 fastText

準確度維持在同一個水準上,但是速度卻快了 n 個數量級的 text classification 工具:「FAIR open-sources fastText」。 可以看到 fastText 的執行速度跟其他方法的差距: Our experiments show that fastText is often on par with deep learning classifiers in terms of accuracy, and many orders of magnitude faster for training and evaluation. 除了 open … Continue reading

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