Tag Archives: security

GitHub 推出軟體版的 U2F Authenticator (目前只有 macOS)

用軟體實做 U2F,目前是開發在 macOS 上:「Introducing Soft U2F, a software U2F authenticator for macOS」。 實在是不愛這種方式,由於是軟體式的,安全性低了不少... (機器被入侵後就都沒有防護了) 不過 U2F 是目前少數可以在 protocol 層抵抗 phishing 的方式,相較於一般 OTP 的方式還是得很注意網址,所以站在推廣的立場的確是希望能多一點人用...

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在飯店裡攻擊企業的高階主管

算是為什麼企業要提供 Full Routing VPN 的一個攻擊管道的說明... 這篇介紹了在飯店裡透過 WiFi 攻擊企業的高階主管,想辦法塞木馬取得資訊,或是滲透進企業內部的網路:「Hackers are using hotel Wi-Fi to spy on guests, steal data」。 Those behind the campaign have continually evolved their tactics and malware payloads, blending phishing and social engineering with a complex Trojan, in … Continue reading

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Telegram 使用 CDN 加速下載

Telegram 說明他們將會使用 CDN 加速:「More Speed and Security!」。 資料在 CDN 的節點上是加密的,金鑰需要透過 Telegram 的 key server 提供: While these caching nodes are only used to temporarily store public media (imagine Telegram versions of superpopular YouTube hits), all data that goes through them … Continue reading

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歡樂的 md5crypt 密碼...

作者寫了一篇關於以前在 WHOIS 記錄上看到一串 $1$ 開頭的 md5crypt 密碼 XDDD:「I mean, why not tell everyone our password hashes?」。 Now the fields are filtered but this is a reasonably recent change. Prior to July 2015 the hashed passwords were shown to anyone who … Continue reading

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對 Open Data 的攻擊手段

前陣子看到的「Membership Inference Attacks against Machine Learning Models」,裡面試著做到的攻擊手法: [G]iven a data record and black-box access to a model, determine if the record was in the model's training dataset. 也就是拿到一組 Open Data 的存取權限,然後發展一套方法判斷某筆資料是否在裡面。而驗證攻擊的手法當然就是直接攻擊看效果: We empirically evaluate our inference techniques on classification models … Continue reading

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Amazon Route 53 將會加緊支援 DNS CAA

看到 Amazon Route 53 要支援 DNS CAA 的消息:「Announcement: Announcement: CAA Record Support Coming Soon」。 裡面有提到 CA/Browser Forum 的決議,要求各瀏覽器支援 DNS CAA: On March 8, 2017, the Certification Authority and Browser Forum (CA/Browser Forum) mandated that by September 8, 2017, CA’s are … Continue reading

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直接接管整個 .io 的網域...

在「The .io Error – Taking Control of All .io Domains With a Targeted Registration」這邊看到的 XDDD 其實就是這樣: ;; AUTHORITY SECTION: io. 172800 IN NS ns-a1.io. io. 172800 IN NS ns-a2.io. io. 172800 IN NS ns-a3.io. io. 172800 IN NS ns-a4.io. io. … Continue reading

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AWS 的 Patch Manager 支援 Linux

在「Amazon EC2 Systems Manager Patch Manager now supports Linux」這邊 AWS 宣佈了 Patch Manager 支援 Linux 的消息。 目前支援的包括了: Amazon Linux 2014.03 and later (2015.03 and later for 64-bit) Ubuntu Server 16.04 LTS, 14.04 LTS, and 12.04 LTS RHEL 6.5 and later … Continue reading

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Google Chrome 對 WoSign 與 StartCom 的白名單要完全移除了

在 Twitter 上看到的: Chrome will fully distrust WoSign and StartCom in Chrome 61; beta in July, stable in September. https://t.co/5fnda6aUQw — Ivan Ristic (@ivanristic) July 7, 2017 對 WoSign 與 StartCom 的移除會發生在 61 版,而依照「Final removal of trust in WoSign and … Continue reading

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用照片打鑰匙的服務

在 Bruce Schneier 的 blog 上看到 KeyMe 這個服務:「Now It's Easier than Ever to Steal Someone's Keys」。 你把鑰匙的照片拍下來,透過 app 上傳付款後,他就把鑰匙寄給你 XDDD 查了一下資料,在五年前 (2012) 的時候就有人做遠距離攻擊的研究了:「60 公尺外,拍照攝影就可以重製鑰匙...」,所以有好的方面,也有邪惡的方面...

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