BLUECOAT PRODUCTS PROXY SG 網頁安全閘道 –正向代理 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 2 Frost and Sullivan Security – No.1 in Asia Pacific/Japan!! Bluecoat Websense Future Growth Strategy Sangfor Symante c Cisco TrendMicro Netentsec McAfee Blue Coat #1 in Market Share in Asia Pacific Japan Digital Arts Alps System Current Market Share Copyright © Frost & Sullivan. All rights reserved. 3 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 3 GARTNER SECURITY – 2014 REPORT – BLUE COAT – NO 1 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 4 BLUECOAT 安全解決方案 WEB PULSE 雲端演算 WEB ANTI-VIRUS 網頁防毒 SSL PROXY 加密流量稽核管控 MALWARE ANALYSIS惡意軟件分析 5 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 5 SWG 的安全連線管控– 往外 對外連線管控: • 網址過濾及即時網頁分類 (Real-time Rating Service) – 支援多種網頁資料庫, 本地資料庫客製化及同時支援3種資料庫同時運作模式 • • • • • – BCWF 提供單一網址多重分類 透過ICAP/ICAPS結合資料外洩防護(DLP)服務 可針對使用者/群組進行認證及授權 可根據使用者/群組, 位置, 服務, 時間, 內容型態等, 進行政策管控 協定存取指令管控 (ex. HTTP_POST, PUT…) 憑證資訊確認(Certificate Validation)管控 (ex. SSL) Internet URL Filtering DLP Checks AAA Policy Method Controls Cert. Validation ProxySG 6 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 6 SWG 的安全連線管控–往內 對內連線管控: • 透過特徵碼比對, 分析網頁物件所可能潛在的惡意程式 – Kaspersky, Sophos, McAfee, Panda • • • • 協定識別支援 (Protocol over HTTP Detection) 網頁內容過濾 (attachments, executables, file types, etc.) 資料種類及內容型態比對 (Apparent Data Type & Container Mismatch Detection) Active 控制元件確認檢查 (ex: ActiveX, VB, Java scropt..etc) Malware Detection Protocol Content Compliance Filters Data Types Active Content Internet URL Filtering DLP Checks AAA Policy Method Controls Cert. Validation ProxySG 7 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 7 SWG 的管理及效能–全部 • 支援預設或是客製化的報表紀錄 • 物件快取(Object Caching) 可大幅提升存取效能 – Object Pipelining & Adaptive Refresh patented technologies • 頻寬管理(ex. Streaming media) • 協定最佳化 (Protocol Optimization) Object Cache Bandwidth Management Protocol Optimization Log Files Reporter Malware Detection Protocol Content Compliance Filters Data Types Active Content Internet URL Filtering DLP Checks AAA Policy Method Controls Cert. Validation ProxySG 8 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 8 Web應用/操作的控制 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 9 粒狀的WEB應用控制 • Safe Search – Major Engines supported – Media Search engines as well – Keyword Searches • Social Networks – Regulate Operations – Restrict abuse Upload Video • Multi-media Upload Photo – Publishing – Sharing Post Message • Web Mail Send Email Download Attachment Upload Attachment Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 10 WEB應用的控制 • VPM support for web application controls – Category, application and operation level controls provided • Infrastructure in place for auto-updating – Dynamic updates of new applications delivered via WebPulse – Requires BCWF license to operate • Application usage reports included UI – Addition reports also available via reporter Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 11 WEB應用的控制 • Available in WEB Access Layer of VPM • Destination objects created to use in policy for – – – Request URL Category Request URL Application Request URL Operation Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 12 WEB應用的控制 • Edit An Application Object – – All applications listed Select All or individual apps • Find applications that support an operation • Find applications by name • Selected Applications shown • Give the object a name to more easily identify it Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 13 WEB應用的控制 • Edit operation object – – All operations listed Select all or individual ops • Find operations by application name • Select operations shown • Name to more easily identify it in policy Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 14 WEB應用的控制 • Control App and Op – – – Create new destination object Select Combined Destination Object Specify the app “and” op Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 15 BCWF 為何需單一網址 多重分類 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 16 PLAYBOY ON FACEBOOK http://www.facebook.com/playboy/ Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 17 BABE-OF-THE-DAY http://apps.facebook.com/babe-oftheday/ Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 18 今日網站型態是複雜的BLUECOAT亦提供單一網址多重分類 NGFW / UTM URL Rating Blue Coat Next Gen Filtering Reuters Video ESPN Video Video Video Video & Finance Video & Sports Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 19 WebPulse 提供負日防禦機制 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 20 WHERE DOES MALWARE COME FROM? Everywhere! Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 21 FIVE LARGEST MALNETS ON THE INTERNET Infrastructure Scales to Support Varying Number of Attacks Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 22 GEOGRAPHIC DISTRIBUTION OF SHNAKULE CENTRAL ASIA WESTERN EUROPE AMERICAS 1% 0% 98% -54% +4% 42% 6% -22% +3% 5% 0% -4% -1% +1% 37% 90% +32% -2% 37% 33% +17% +6% 3% -57% 1% -5% 40% 67% +37% +58% PORN 17% 1% -1% -2% 18% 0% +1% -9% 0% 3% -2% +3% 2% +2% SEP / RELAY COMMAND & CONTROL EASTERN EUROPE & MIDDLE EAST EAST/SE ASIA SCAMS MALEWARE SERVERS Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 23 THE NEGATIVE DAY DEFENSE 負日防禦 Negative Day Defense Identifies and Blocks New Components Negative Day Defense Continues to Block Malnet Infrastructure AV Engines Begin Detection UTM Policy applied Active Threat Phase -30 Days 0 Day +1 Days +30 Days Infrastructure Phase New Subnet, IP Address and Host Name Exploit Server Attack Begins Dynamic Payload Changes Domain Attack Ends Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 24 BLOCKING A ZERO-DAY JAVA EXPLOIT New exploit site named ok.aa24.net becomes active 2012 New C&C site comes online ok.aa24.net actively distributes malicious executable that uses zero-day Java exploit Infected systems begin communicating with command and control domain Jan April Aug 26 Aug 26 -225 Days -120 Days 0 Day 0 Day WebPulse rates IP address as suspicious and begins blocking WebPulse automatically blocks all requests to site WebPulse automatically blocks all requests to domain WebPulse rates as malware source & begins blocking Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 25 WEBPULSE Globally Diverse Awareness 75 Million Users Make 1 Billion Real-time Requests Real-time Intelligence 55 Languages Analyzed with 3D Malware Analysis In-Depth Ratings Multi-dimensional Ratings for 84 Content Categories Blue Coat Blocks 3.3 Million Malware, Phishing & Call-home Threats per Day Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 26 CAS 為何需要線上掃毒 27 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 27 BLUECOAT CAS 的方案優勢 整合多家的掃毒引擎, 提供客戶選擇的多樣性 可選擇一個掃毒引擎+Whitelist或兩個掃毒引擎+Whitelist 更換掃毒引擎無須更換硬體 可平行擴充,投資效益可獲得保障 (ROI) 掃瞄一次,服務多次,增加效能 專精於網頁內容掃描 CAS (80%的惡意程式感染來自於Web) CAS DLP ICAP, ICAP+, S-ICAP Internet Enterprise Network ProxySG 28 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 28 整合 – CAS 和 ProxySG 新病毒於1:00 am 產生並開使傳播 CAS CAS ICAP (HTTP & FTP) Internal Network Internet ProxySG Firewall 29 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 29 整合 – CAS 和 ProxySG 使用者於2:00 am下載受感染的物件 感染病毒的物件存在快取伺服器中 CAS CAS ICAP (HTTP & FTP) Internal Network Internet ProxySG Firewall 30 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 30 整合 – CAS 和 ProxySG AV病毒碼於3:00 am更新 CAS通知ProxySG有新病毒碼更新,將使用者由快取伺服 器中要下載的物件重新掃毒,並消滅ProxySG中受感染病 毒的物件 CAS CAS ICAP (HTTP & FTP) Internal Network Internet ProxySG Firewall 31 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 31 彈性擴充佈署 CAS CAS CAS ICAP (HTTP & FTP) ProxySG ProxySG Internet Firewall Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 32 實際使用案例 A Financial Enterprise Deployment 20B web requests/month Blue Coat WebPulse™ Firewall 556,000 Threats Removed 9,000 Threats 1.6% Removed 547,000 Threats 98.4% Blue Coat Web Security 556,000 Threats Clean 9,000 Blue Coat ProxySG Threats Blue Coat CAS Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 33 DEPLOYMENT SCENARIO: GATEWAY ADVANCED THREAT PROTECTION Proxy SG ICAP / S-ICAP Malware Analysis Appliance Content Analysis System HTTPS API For Flexible/Scalable Deployment Threat Data To WebPulse: - File HASH - URL - Time Stamp - File Name Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 34 BlueCoat Reporter 協助管理者分析及瞭解 網路上使用者看的見及看不見的行為 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 35 彈性而多樣的報表儀表板 36 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 36 彈性而多樣的報表儀表板 37 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 37 HTTPS PROXY 為何需要HTTPS PROXY HTTP的問題HTTPS就沒有嗎 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 38 SSL 應用的好處 Corporate Network ASP 加密的 SSL 通道透過 443 埠 Internet External Apps Internal Users 用戶端與伺服器在公共網際網路上建立一個私有、加密、「依需求」建立的連線 39 39 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 39 SSL 壞的一面可能是… 開了另一個後門 應用服務供應商 企業網路 %3s*<5y 2@/^X!Z:b D&7w$=h9o W{}77%21 4g*%2@s j5+d#o6 網際網路 外部應用程式 內部使用者 IT 人員完全「看不到」進出企業網路的流量是什麼 40 40 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 40 SSL IT 人員需要管理的可見度 Corporate Network ASP Spyware Intellectual Property Worms Phishing Viruses Rogue Apps Business Apps Internet External Apps Internal Users 除了合法的應用程式, SSL 也可能夾帶惡意軟體、竊取機密資訊、 未經檢查的流量及非SSL流量提供私密連結 41 41 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 41 BLUE COAT:可見度及背景狀況 用戶端 – 代理器連線 伺服器 – 代理器連線 代理器 用戶端 我支援的運算法。 連線請求。 伺服器 我支援的運算法。 連線請求。 查證憑證並取出 (代 理器的) 公開金鑰。 就使用這個運算法。 模擬的憑證。 查證憑證並取出伺 服器的公開金鑰。 完成驗證 完成驗證 完成驗證 已建立的通道 42 42 使用這個運算法。 伺服器的數位憑證。 完成驗證 已建立的通道 Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 42 THANKS Copyright © 2013 Blue Coat Systems Inc. All Rights Reserved. 43