新傳播媒體的進步與普及使得媒體成為最繽紛的當付環境。手機輕 巧易攜的「移動性」不單使其黏在使用者身上，更儼然是延伸身心的 「MEdia」。1997年台灣電信自由化，手機市場由1G邁向2G的同時，手 機和台灣人口比也超越100%，誕生於新移動媒體時付的「手機原住民」 們，溝通的模式不再因襲座機的語音模式，簡訊無聲簡要的溝通模式和 豐富留白的情誼交流取而付之，空間的文化意涵與自我認知遂產生全新 的意義。 本研究以Foucault的異托邦概念和Goffman的日常生活自我表演理 論，關注新媒體環境下的都會少男（Urban Boys），在生活場域中，如 何以簡訊在現實的物質空間和異托邦的他者空間中自由遊走，改變舊有 媒體的空間觀。更進一步，瞭解如何用簡訊塑造個人形象，建立、強化 人際關係，創造自己在社群中的權力。 本研究為質化取向，以六個台北市12～13歲少男為中心，使用深度 訪談和簡訊文本收集，並輔以一個月的簡訊日誌交互分析、論證，描繪 都會少男簡訊文化。研究發現，簡訊一方陎是少男因應生活環境中規範 和權力而選擇的無聲溝通，但另一方陎，簡訊的無聲也創造了秘密文本 的優勢。在社群以簡訊為基礎、共同建立的新符碼中，少男們和現實生 活中的同伴，建立了一個結構無法搆及的異托邦，讓定義生活的權力重 新回到自己的手中。

自發展塑膠貨幣以來，信用卡的詐欺、盜刷，向來是造成發卡銀行重大損失的風險之一，不僅是當前社會的地下經濟犯罪問題，同時在全球化的過程中，盜刷集團也逐漸發展出跨國分工的犯罪模式，各國發卡銀行在防制信用卡詐欺的策略上，不得不隨之求新求變，以因應盜刷集團詭譎多變的犯罪手法。 在管理詐騙生命週期理論中，偵測是其中極為重要的環節。本篇研究，即是針對如何提升發卡銀行的信用卡詐欺交易偵測效率進行相關研究，藉由相關文獻探討及實務經驗，以歷史資料分析方式，找出影響信用卡詐欺交易偵測效率之因素，來檢視詐欺風險管控措施的成效，同時提供建議，希望找出信用卡詐欺風險偵測之最佳化模式，俾以提升發卡銀行信用卡詐欺交易偵測效率。 本篇研究結果，首先證實在符合筆者所提出的效益/成本的模式下，發送交易警示簡訊，有助於偽卡偵測效率的提升。再者，偵測人員的資歷越深，其偵測效率越高。最後，銀行詐欺交易資訊的交流越密集，越有助於「側錄盜刷」類的詐欺交易偵測效率。 本研究目的除了提出建議以協助銀行減少損失外，盼能藉以喚起社會各界對信用卡詐欺問題之重視，期能遏止當前社會，乃至於國際間信用卡詐欺問題。 / The fraud of credit card usage has caused significant losses in worldwide issuing banks. The fraud syndicates have developed cross-boarder fraudulent activities along with global patners, which not only impacts worldwide economy, but also challenges the strategies initiated by all issuers. Due to the sophistication of the credit card process, experienced people and informative message are required elements to optimize the fraud detection process. The study attempts to analyze those major factors effecting credit card fraud detection process by adapting empirical analysis method on two real cases. Major findings are: 1) under a careful cost and benefit calculation, the more the SMS message sending, the higher the fraud detection rate, 2) the more the experience of detectors, the more effective the performance of the detection, and 3) the more the information shared across issuing banks, the higher the detection rate achieved for fraud skimming. In addition to the optimization of current fraud detection operation, the study is planned to draw public's attention on the serious credit card fraud issue. It is hoped that the attack level of credit card fraud could be mitigated effectively by taking recommendations made by this study.

隨著大環境的變異，傳統語音話費已不再是電信業者的主要收益來源。各家電信系統營運商為了提高用戶營收貢獻度 (ARPU)，積極開拓其他服務。行動簡訊是其中重要的一項服務，因為操作方便、費用低廉，一般使用者容易進入。系統營運商進而透過行動簡訊結合各種加值服務，讓用戶在習慣使用簡訊服務之中，延長使用手機時間，增加每位用戶的營收貢獻度。 行動媒介首要目的在提供使用者快速尋獲與情境相關之資訊，並透過行動載具隨時隨地進行通訊、溝通與社會互動。本研究欲瞭解行動簡訊在行動系統服務的提供者(OP)、內容服務的提供者(CP)與一般使用者的三方互動方式。即在行動簡訊服務的推動過程中，三方各自角色為何，服務有待改善之處，以及如何改進及延續服務。 本研究方法採用深度訪談、焦點團體與資料分析三個取徑。透過系統營運商、內容提供者、一般使用者進行三方研究調查。首先深訪系統營運商以瞭解其規劃簡訊服務之背景；其次焦點團體訪談典型使用者如何使用行動簡訊服務；再輔以資料分析將行動簡訊服務中的文字內容、版面視覺、資訊類型等進行分析。 本研究有以下五項發現: (1)行動內容需要強調差異化－行動服務需要即時性的資訊與Web進行差異化，吸引行動用戶使用；(2)界面需要友善的設計－界面友善可帶動用戶易用，提高行動服務使用量；(3)期待新科技與新應用的引導－LBS服務為行動簡訊服務率先可以導入新科技服務，符合用戶對情境使用的需求；(4)與商業進行多元行銷互動－透過在LBS做置入廣告或行動廣告，可以提高用戶參與互動；(5)行動服務合作關係重組－未來OP跨足內容的製作，而CP發展自有通路，OP與CP在業務上互相重疊，原來的合作關係重組。 / With a dramatic change of the world, traditional phone service is no longer a main source of revenues in telecom business. Telecom system operators positively develop other kinds of services to improve average revenue per user (ARPU). Mobile-news is one of these important services because it is less expensive, easy to operate, and easily accessible to end users. System operators further provide a variety of value-added services through the mobile-news. While users are getting used to the services, they are going to extend their using time, which may increase revenues to system operators. The main function of mobile media is to provide users immediate and scenario-relevant information and to interact with others here and there at anytime. The research investigated how telecom system operators (OP), content service providers (CP) and end users interact in terms of their service relationship. In other words, the study defined how the three parties, OP, CP and users play a role, how to refine the services, and how to improve the service, in the process of promoting mobile-news services. The research used in-depth interview, focus group, and data analysis via the three parties, system operators (OP), content providers (CP), and end users. First, the researcher interviewed system operators about how they develop mobile-news services. Then, the researcher held a focus group to investigate typical users how they use mobile-news services. At last, the researcher analyzed text contents, visual layouts, and different types of information in mobile-news services. There are five important findings as following, (1) emphasis of different mobile contents: mobile information should be instant and different from web pages to attract mobile users; (2) friendly interface designs: User-friendly interface helps user easily access to the information and increase the mobile services; (3) new technologies and applications: LBS services could be the first mobile-news service which meet users’ needs at most occasions; (4) multiple marketing: mobile advertisement can improve users’ participation through LBS; (5) reconstruction of mobile service partnership: OPs start to produce contents in future, and CPs develop their own channels, which leads to an overlap between OP and CP business. The overlapping may reconstruct their partnership.

小額付款為電信業者預設開通功能，也就是使用者不須特別提出申請，就可以直接開通使用。小額付款的美意主要是為了取代小額的現金交易，增加民眾的便利性，但卻被詐騙集團利用，成為新興的詐騙手法。有網路罪犯疑似利用惡意app誘導用戶下載，等用戶下載安裝後，網路罪犯便開始擷取用戶的手機資訊，甚至攔截「小額付款」的通知簡訊，讓手機用戶在收到次期帳單後才發現莫名被消費。本篇論文將針對利用手機APP後門攔截簡訊刷小額付款提出改善方法，利用基於身份的加密系統(Identity-Based Encryption)將簡訊加密，使用者收到簡訊時，必須使用向電信公司所申請的「簡訊解密」APP才能解密讀取簡訊，這可有效解決攔截簡訊之問題，即使攻擊者攔截到簡訊，也會因為沒有解密金鑰而無法順利讀取簡訊。另外，解密金鑰利用通行碼(password)加密，所以亦不用擔心金鑰外洩之問題。由效能分析得知，將簡訊加密， 對送信方與收信方而言，其通訊成本(communication cost)與計算成本（computation cost）並不會產生太大之影響。此研究不僅可以解決攔截簡訊刷小額付款問題，其餘的重要資料的傳輸，例如：傳送用戶密碼、傳送用戶個人資料、傳送用戶金融帳戶資訊等，只要將簡訊加密，這些資料即使被攻擊者惡意攔截，也無法輕易讀取簡訊內容。 / Micropayment is the default available function opened by the telecom operators, that is, users can directly use it without making an application specially. The micropayment is mainly to replace cash transaction involving a small sum of money, so as to bring more convenience to users. However, it may be utilized by frauds, which becomes a new scam means. Some cyber-criminals are suspected to induce users to download malicious APPs. After the users download and install them, the cyber-criminals will start to retrieve users’ mobile phone information, even intercept notification SMS sent from micropayment. Consequently, until the mobile phone users receive the bill in the next term do they find the unknown payments. This paper will put forward a method to prevent intercepting the micropayment notification SMS by using the malicious APP installed on the mobile phone. It encrypts the SMS by Identity-based Public Key Cryptosystem. After the users receive the SMS, they must decrypt to read the message by using the “SMS Decryption” APP applied from the telecom company. In this way, it can effectively solve the problem of SMS interception. The attackers cannot successfully read the content without the decryption key even if they intercept the text messages. In addition, the decryption key is encrypted by password, thus users do not need to worry about the information leakage. The performance analysis shows that encrypting the text messages will not have a big effect on communication cost and computation cost of senders and receivers. This research cannot only solve the problem of swiping micropayment by SMS interception, but also protect the transmission of other important data.

當您看到此份研究計畫書時，五分鐘內可能您的e-mail郵箱已湧進二十封垃圾郵件（通稱SPAM）。據Ferris Research指出，社會花費在圍堵垃圾郵件的成本開銷上一年高達一百億美元。而根據聯合國國際電信聯盟（International Telecommunication Union，ITU)統計， Spam每年更浪費全球各國250億美元。這個驚人的數據傳達出一個訊息：對多數人而言－聽到「You've Got Mail!」，已經不再是令人愉悅的聲音了。Spamhaus的調查報告顯示 ，台灣及HINET一直是垃圾郵件主要輸出來源，過去AOL曾封鎖由HINET 寄送的郵件，一度造成台灣HINET使用者相當大的困擾。隨著數位匯流（Digital Convergence）時代的來臨，除了Email Spam外，電話行銷、Mobile Spam、SMS簡訊SPAM及VoIP都是數位匯流時代下垃圾郵件客攻掠的戰場，而我國行政院所草擬之「濫發商業電子郵件管理條例」草案明文只規範垃圾「郵件」問題，而未及其它垃圾訊息，法律若未對此議題及早規範，可能草案還沒出立法院大門就已經被時代淘汰。 因此，本文欲針對數位時代下可能興起之垃圾訊息型態作全面性的檢討，以建構一更為完善的垃圾訊息法制已未雨綢繆。本文之研究方法如下： 第一，針對美國之垃圾訊息法制的內容與立法背景，進行比較法研究。台灣的濫發商業電子郵件管制條例草案，內容主要係參考美國法，但在若干立法例仍有所不同，例如於是否需要標示主旨欄（Subject Line Labeling）則有不同選擇。對此，筆者曾於在律師雜誌發表對美國聯邦貿易委員會（FTC）研究報告反對強制行銷業者寄送廣告信必需標示主旨欄的不同意見，且建議台灣的「濫發商業電子郵件管制條例」草案做相反規定 。此外，在處罰對象及門檻之設計亦大相逕庭，例如沒有刑罰規定。而在於規制主體上，我國草案的內容明文只限於垃圾『郵件』之規範，對於日益惡化的的新型態未經邀約的商業訊息，像是透過無線傳輸設備或是行動設備所接收的未經邀約之商業訊息等，草案並無法可管。因此，本文並將針對垃圾電子郵件以外的其它新興垃圾訊息法制進行說明與分析，以供未來立法及執法的參考。 再者，本文將藉由國內外的實務案例研究了解法律實際操作情況。因為台灣法律目尚前無法處理垃圾郵件這個新興法律問題，導致檢察官無法可用，之後通過草案亦可能會面臨到法律不足的問題，因此實有必要針對實際案例操作深入了解。 第三，本文擬就我國之「濫發商業電子郵件管理條例草案」內容進行通盤檢討，提出更符合數位匯流時代之法制架構，以更有效防堵垃圾訊息。美國史丹佛教授Dr. Dan Boneh在「the Difficulties of Tracing Spam Email」 一文中提及垃圾郵件客技術日新月異，防不勝防。可預見SPAM這個議題將隨著科技演進而日益嚴重。隨著數位匯流（Digital Convergence）時代的來臨，除了垃圾郵件外，電話行銷、行動簡訊（Mobile Spam）、簡短訊息服務SMS 及網路語音（Voice over Internet Protocal）、多媒體圖片訊息（MMS）都是數位匯流時代下垃圾郵件客攻掠的戰場，實有必要針對此些新興類型之Spam進行防範。 / Within the five minutes it takes for you to read this essay, your e-mail box may have already received 20 spam mails. Ferris Research has pointed out that the costs incurred to society in blocking spam has reached US$10 billion per year. And according to International Telecommunication Union (ITU), the annual global cost of spam is US$2.5 billion. These startling figures convey a bit of information: for most people, the message “You’ve got mail!” is no longer welcome.. Based on a survey conducted by Spamhaus, Taiwan is a leading source of spam messages. AOL once blocked all e-mail messages coming from Hinet, which at one blow caused huge difficulties for Taiwanese Internet users. With the coming of the Digital Convergence era, besides e-mail spam, new forms are emerging such as mobile spam, telemarketing calls, SMS messaging spam, and VoIP spam. The Digital Convergence era will provide all kinds of opportunities for spammers to attack. However, Taiwan’s draft Anti-UCE Act addresses only e-mail spam. If the law does not address the broader issue early on, it may be outmoded even before it is passed. The US remains the main source of reference for Taiwan in the area of technology law. Long ago, before the US enacted the “Can-Spam Act,” there was “Shiksaa.” I would like to do in-depth research on American cyber and technology law so I can develop a suitable legal solution to Taiwan’s very serious UCE problem, to reduce the losses to society and to business productivity that are caused by spam, to eliminate Taiwan’s bad reputation for being a main spam exporter, and to spur e-commerce development. My research project would be as follows. 1. To examine the inner traits of various SPAM regulation and do interdisciplinary research 2. Deploy case-based and comparative law study to gather practical material 3. Combine the research results from technology and law to contribute to the ultimate resolution of SPAM.