Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
資料視覺化與知名行動通訊APP之安全性疑慮
Search
Shouko
October 31, 2014
Technology
1
120
資料視覺化與知名行動通訊APP之安全性疑慮
台大資管系 Innovation Café
Shouko
October 31, 2014
Tweet
Share
More Decks by Shouko
See All by Shouko
PDOGS Recruit 2016
shouko
0
99
PDOGS 2015 Recruit
shouko
0
190
Open Source Open Data Intro
shouko
0
56
如何把大象放進冰箱裡 - 開源社PHP入門
shouko
2
890
滾動的CSS
shouko
1
430
2014 NTU IM prepConf 哞~有趣的圖文產生器
shouko
1
180
Other Decks in Technology
See All in Technology
20241120_JAWS_東京_ランチタイムLT#17_AWS認定全冠の先へ
tsumita
2
300
Application Development WG Intro at AppDeveloperCon
salaboy
0
200
OS 標準のデザインシステムを超えて - より柔軟な Flutter テーマ管理 | FlutterKaigi 2024
ronnnnn
1
290
Exadata Database Service on Dedicated Infrastructure(ExaDB-D) UI スクリーン・キャプチャ集
oracle4engineer
PRO
2
3.2k
誰も全体を知らない ~ ロールの垣根を超えて引き上げる開発生産性 / Boosting Development Productivity Across Roles
kakehashi
2
230
ノーコードデータ分析ツールで体験する時系列データ分析超入門
negi111111
0
420
OTelCol_TailSampling_and_SpanMetrics
gumamon
1
220
Platform Engineering for Software Developers and Architects
syntasso
1
520
FlutterアプリにおけるSLI/SLOを用いたユーザー体験の可視化と計測基盤構築
ostk0069
0
110
iOS/Androidで同じUI体験をネ イティブで作成する際に気をつ けたい落とし穴
fumiyasac0921
1
110
TypeScriptの次なる大進化なるか!? 条件型を返り値とする関数の型推論
uhyo
2
1.7k
The Role of Developer Relations in AI Product Success.
giftojabu1
0
140
Featured
See All Featured
Fashionably flexible responsive web design (full day workshop)
malarkey
405
65k
Unsuck your backbone
ammeep
668
57k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
665
120k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
8
900
Documentation Writing (for coders)
carmenintech
65
4.4k
Typedesign – Prime Four
hannesfritz
40
2.4k
The Power of CSS Pseudo Elements
geoffreycrofte
73
5.3k
Why You Should Never Use an ORM
jnunemaker
PRO
54
9.1k
Into the Great Unknown - MozCon
thekraken
32
1.5k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Product Roadmaps are Hard
iamctodd
PRO
49
11k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
191
16k
Transcript
資料視覺化與 知名⾏行動通訊APP之安全性疑慮 翔⼦子 @ Innovation Café, NTU IM Fall 2014
About Me 虞翔皓 (翔⼦子) 台⼤大資管系 B02 台⼤大開源社 副社⾧長 興趣: Web,
Security 網站: http://shouko.tw
Mobile Instant Messaging App Market 調查機構 Ovum 預測 經⾏行動通訊App傳送的訊 息數將由2013年的27.5兆
則成⾧長到71.5兆則 year messages (in trillion) Ovum: “Social Messaging” Apps Not Just a Fad, Will Reach Two Billion User Mark by End of 2014 http://www.trutower.com/2013/11/29/ovum-instant-messaging-app-market-growth-2013-and-2014/
“Chat with random strangers” Apps
“Chat with random strangers” Apps
About BeeTalk
• 由泰國發跡,總部設於新加坡 • 四個⽉月 達到 1000萬 使⽤用者 About BeeTalk
About BeeTalk
https://www.youtube.com/watch?v=IaKAGd4qq7g • 台灣上架⾸首⽉月使⽤用者數量達 200 萬 • ⽬目標年齡族群 18 ~ 25
歲 • 使⽤用者性別⽐比 4:6 • ⼤大規模⾏行銷廣告 About BeeTalk
Live Demo
Privacy Concerns about Location Based Services
Inspiration Where When Who
Live Demo
Observation
Observation • 觀測期間約⼀一個⽉月 • 每四⼩小時⼀一班 • 約 15 個景點
Observation • 獲得了 ~190K 筆⽤用⼾戶資料 • 獲得了 1.55M 筆座標資料
Live Demo
Analytics 性別⽐比 7 : 2
Analytics
Future • 更多過濾條件 • 更多呈現⽅方式 • 更有效率的搜尋 • ⾃自動化採集資料
Suggestions • 降低精度 • 修剪傳送的 location data • 添加 random
offset ⾄至資料 • local database 加密處理 • 使⽤用 geohash 編碼
One more thing
One more thing