Blackholing VS. Sinkholing: a Comparative Analysis
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The Confessions of the Hacker Who Saved the Internet About:Reader?Url=
The Confessions of the Hacker Who Saved the Internet about:reader?url=https://www.wired.com/story/confessions-marcus-hutc... wired.com The Confessions of the Hacker Who Saved the Internet Andy Greenberg 72-92 minutes At around 7 am on a quiet Wednesday in August 2017, Marcus Hutchins walked out the front door of the Airbnb mansion in Las Vegas where he had been partying for the past week and a half. A gangly, 6'4", 23-year-old hacker with an explosion of blond-brown curls, Hutchins had emerged to retrieve his order of a Big Mac and fries from an Uber Eats deliveryman. But as he stood barefoot on the mansion's driveway wearing only a T-shirt and jeans, Hutchins noticed a black SUV parked on the street—one that looked very much like an FBI stakeout. He stared at the vehicle blankly, his mind still hazed from sleep deprivation and stoned from the legalized Nevada weed he'd been smoking all night. For a fleeting moment, he wondered: Is this finally it? 1 of 51 5/21/2020, 10:07 AM The Confessions of the Hacker Who Saved the Internet about:reader?url=https://www.wired.com/story/confessions-marcus-hutc... June 2020. Subscribe to WIRED . Photograph: Ramona Rosales But as soon as the thought surfaced, he dismissed it. The FBI would never be so obvious, he told himself. His feet had begun to scald on the griddle of the driveway. So he grabbed the McDonald's bag and headed back inside, through the mansion's courtyard, and into the pool house he'd been using as a bedroom. -
CYBERATTACKS and the DIGITAL DILEMMA
CYBERATTACKS and the DIGITAL DILEMMA Recent high-profile hacks have renewed calls for improved security, but competing incentives pose a challenge By Tim Sablik ver the past year, Americans have been inundated More Connected, More Exposed with news of one large-scale cyberattack after One reason cyberattacks continue to be a problem despite Oanother. The Democratic National Committee’s efforts to stop them is that there are simply more avenues email server was compromised during the 2016 election, of attack than ever before. For instance, a growing array and the organization’s internal emails were posted pub- of consumer devices — TVs, cars, ovens, and thermostats, licly by WikiLeaks. An October 2016 attack temporarily to name a few — are now connected to the Web, making disrupted service to many of the most trafficked sites up what has been called the Internet of Things (IoT). on the Web, including Netflix, Amazon, and Twitter. One estimate holds that there will be more than 8 billion Ransomware — malicious code that locks a computer’s connected devices by the end of 2017 — more than one files until users pay for a decryption key — infected busi- for every person on the planet. By 2020, this number is ness, government, and personal computers around the expected to grow to more than 20 billion. But these new globe in May and June 2017. And in September, credit devices come with a trade-off. bureau Equifax disclosed that hackers accessed personal “The more technology we accumulate to make our lives data used to obtain loans or credit cards for as many as 143 easier, the more it opens us up to attack,” says Timothy million Americans — making it potentially the largest data Summers, the director of innovation, entrepreneurship, theft in history. -
Lawyer: British Hacking Suspect Will Be Vindicated 14 August 2017
Lawyer: British hacking suspect will be vindicated 14 August 2017 "Marcus Hutchins is a brilliant young man and a hero," said Marcia Hofmann, an attorney affiliated with the Electronic Frontier Foundation, a digital rights group, who represented Hutchins at the hearing. "He is going to vigorously defend himself against these charges. And when the evidence comes to light, we are confident he will be fully vindicated." Hours after the hearing, Hutchins resumed activity on Twitter. "I'm still on trial, still not allowed to go home, still on house arrest; but now i am allowed online," he wrote. He also joked about the experience with a sarcastic Marcus Hutchins (R), the British cyber security expert "to do" list from his US visit: "Things to do during accused of creating and selling malware that steals defcon: Attend parties. Visit red rock canyon. Go banking passwords, appeared at a court hearing shooting. Be indicted by the FBI. Rent supercars." Monday in Milwaukee, Wisconsin with his lawyers Marcia Homann and Brian Klein A federal indictment accuses Hutchins and another A lawyer for a 23-year-old British computer security individual of making and distributing the Kronos researcher accused of creating malware to attack "banking Trojan," a reference to malicious software the banking system on Monday called him a "hero" designed to steal user names and passwords used and predicted he would be "fully vindicated." at online banking sites. The lawyer's remarks came after Marcus The indictment set the time of the activity by Hutchins—who three months ago found a "kill Hutchins as being from July 2014 to July 2015. -
A Black Hole Attack Model for Reactive Ad-Hoc Protocols Christopher W
Air Force Institute of Technology AFIT Scholar Theses and Dissertations Student Graduate Works 3-22-2012 A Black Hole Attack Model for Reactive Ad-Hoc Protocols Christopher W. Badenhop Follow this and additional works at: https://scholar.afit.edu/etd Part of the Computer Sciences Commons Recommended Citation Badenhop, Christopher W., "A Black Hole Attack Model for Reactive Ad-Hoc Protocols" (2012). Theses and Dissertations. 1077. https://scholar.afit.edu/etd/1077 This Thesis is brought to you for free and open access by the Student Graduate Works at AFIT Scholar. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of AFIT Scholar. For more information, please contact [email protected]. A BLACK HOLE ATTACK MODEL FOR REACTIVE AD-HOC PROTOCOLS THESIS Christopher W. Badenhop AFIT/GCO/ENG/12-01 DEPARTMENT OF THE AIR FORCE AIR UNIVERSITY AIR FORCE INSTITUTE OF TECHNOLOGY Wright-Patterson Air Force Base, Ohio APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED The views expressed in this Thesis are those of the author and do not reflect the official policy or position of the United States Air Force, Department of Defense, or the United States Government. This material is declared a work of the U.S. Government and is not subject to copyright protection in the United States. AFIT/GCO/ENG/12-01 A BLACK HOLE ATTACK MODEL FOR REACTIVE AD-HOC PROTOCOLS THESIS Presented to the Faculty Department of Electrical & Computer Engineering Graduate School of Engineering and Management Air Force Institute of Technology Air University Air Education and Training Command In Partial Fulfillment of the Requirements for the Degree of Master of Science Christopher W. -
A PRACTICAL METHOD of IDENTIFYING CYBERATTACKS February 2018 INDEX
In Collaboration With A PRACTICAL METHOD OF IDENTIFYING CYBERATTACKS February 2018 INDEX TOPICS EXECUTIVE SUMMARY 4 OVERVIEW 5 THE RESPONSES TO A GROWING THREAT 7 DIFFERENT TYPES OF PERPETRATORS 10 THE SCOURGE OF CYBERCRIME 11 THE EVOLUTION OF CYBERWARFARE 12 CYBERACTIVISM: ACTIVE AS EVER 13 THE ATTRIBUTION PROBLEM 14 TRACKING THE ORIGINS OF CYBERATTACKS 17 CONCLUSION 20 APPENDIX: TIMELINE OF CYBERSECURITY 21 INCIDENTS 2 A Practical Method of Identifying Cyberattacks EXECUTIVE OVERVIEW SUMMARY The frequency and scope of cyberattacks Cyberattacks carried out by a range of entities are continue to grow, and yet despite the seriousness a growing threat to the security of governments of the problem, it remains extremely difficult to and their citizens. There are three main sources differentiate between the various sources of an of attacks; activists, criminals and governments, attack. This paper aims to shed light on the main and - based on the evidence - it is sometimes types of cyberattacks and provides examples hard to differentiate them. Indeed, they may of each. In particular, a high level framework sometimes work together when their interests for investigation is presented, aimed at helping are aligned. The increasing frequency and severity analysts in gaining a better understanding of the of the attacks makes it more important than ever origins of threats, the motive of the attacker, the to understand the source. Knowing who planned technical origin of the attack, the information an attack might make it easier to capture the contained in the coding of the malware and culprits or frame an appropriate response. the attacker’s modus operandi. -
Solution for TCP/IP Flooding
1 Solution for TCP/IP Flooding (Data Communication and Networking Report ) +Dr. Kiramat Ullah, -Minhaj Ansari, -Yahya Bakhtiar, -Talha Bilal and Zeeshan* *Arid Agriculture University, Rawalpindi, Pakistan - , PIEAS, University Pakistan + Derby University, UK Abstract: TCP stands for transmission control protocol. It was defined by Internet Engineering Task Force (IETF). It is used in establishing and maintaining communication between applications on different computers and provide full duplex acknowledgement and flow control service to upper layer protocol and application. [2][3][4][5] In this report proposes solution for TCP SYN flood. Key Words— TCP (Transmission Control Protocol). SYN (Synchronous), DoS (Denial of Service), DDos (Distributed DoS) I. INTRODUCTION The entire internet protocol suite -- a set of rules and procedures -- is commonly referred to as TCP/IP, though others are included in the suite. TCP/IP specifies how data is exchanged over the internet by providing end-to-end communications that identify how it should be broken into packets, addressed, transmitted, routed and received at the destination. TCP/IP requires little central management, and it is designed to make networks reliable, with the ability to recover automatically from the failure of any device on the network. The two main protocols in the internet protocol suite serve specific functions. TCP defines how applications can create channels of communication across a network. It also manages how a message is assembled into smaller packets before they are then transmitted over the internet and reassembled in the right order at the destination address. IP defines how to address and route each packet to make sure it reaches the right destination. -
Download Windows 10 Page Free Bleepingcomputer Bleeping Computer
download windows 10 page free bleepingcomputer Bleeping Computer. Bleeping Computer is a website covering technology news and offering free computer help via its forums, that was created by Lawrence Abrams in 2004. [2] It publishes news focusing heavily on cybersecurity, but also covers other topics including computer software, computer hardware, operating system and general technology. Contents. History Content Legal issues See also References External links. In 2018, Bleeping Computer was added as an associate partner to the Europol NoMoreRansom project [3] for the ransomware information and decryption tools provided by the site. History. BleepingComputer was founded in 2004 after Abrams could not find existing technical support sites that could offer easy-to-understand instructions for his friends and family. [2] The domain name bleepingcomputer.com originates from the sounds made by a broken computer and because you want to curse at a computer when it does not work properly. [2] Since the CryptoLocker ransomware attack in September 2013, and a subsequent DDoS of the site due to its reporting on the new malware, [4] Bleeping Computer has been reporting on new ransomware families as they are released. [5] Content. The articles published at Bleeping Computer are categorized as news articles, tutorials and virus removal guides. Its content includes searchable databases for looking up Windows start-up programs and uninstall entries, as well as a free Internet forum to receive computer help. The site covers news released by researchers and companies, but also performs in-house investigative reporting [6] and analysis of ransomware [7] and malware. [8] Free decryptors to unlock files encrypted by various ransomware families have been released through the forums or the site's news section by third-party researchers. -
NIST Firewall Guide and Policy Recommendations
Special Publication 800-41 Guidelines on Firewalls and Firewall Policy Recommendations of the National Institute of Standards and Technology John Wack, Ken Cutler, Jamie Pole NIST Special Publication 800-41 Guidelines on Firewalls and Firewall Policy Recommendations of the National Institute of Standards and Technology John Wack, Ken Cutler*, Jamie Pole* C O M P U T E R S E C U R I T Y Computer Security Division Information Technology Laboratory National Institute of Standards and Technology Gaithersburg, MD 20899-8930 *MIS Training Institute January 2002 U.S. Department of Commerce Donald L. Evans, Secretary Technology Administration Phillip J. Bond, Under Secretary for Technology National Institute of Standards and Technology Arden L. Bement, Jr., Director ii Reports on Computer Systems Technology The Information Technology Laboratory (ITL) at the National Institute of Standards and Technology (NIST) promotes the U.S. economy and public welfare by providing tech- nical leadership for the Nation’s measurement and standards infrastructure. ITL de- velops tests, test methods, reference data, proof of concept implementations, and technical analysis to advance the development and productive use of information technology. ITL’s responsibilities include the development of technical, physical, ad- ministrative, and management standards and guidelines for the cost-effective security and privacy of sensitive unclassified information in Federal computer systems. This Special Publication 800-series reports on ITL’s research, guidance, and outreach ef- forts in computer security, and its collaborative activities with industry, government, and academic organizations. National Institute of Standards and Technolog y Special Publication 800-41 Natl. Inst. Stand. Technol. Spec. Publ. 800-41, 75 pages (Jan. -
Chapter 5: Blocking Spammers with DNS Blacklists 63
Color profile: Generic CMYK printer profile Hacking / Anti-Spam Tool Kit / Wolfe, Scott, Erwin / 3167-x / Chapter 5 Composite Default screen 5 Blocking Spammers with DNS Blacklists 61 P:\010Comp\Hacking\167-x\ch05.vp Monday, February 23, 2004 9:44:07 AM Color profile: Generic CMYK printer profile Hacking / Anti-Spam Tool Kit / Wolfe, Scott, Erwin / 3167-x / Chapter 5 Composite Default screen 62 Anti-Spam Tool Kit n Chapter 4 we introduced you to DNS Blacklists as one of several means for fighting spam. In this chapter, we will look at popular individual DNS Blacklists, explain how Ito implement them on a mail server, and help you decide which list is the best one to use. When referring to DNS Blacklists, the shorthand DNSBL is often used, and that’s how we’ll refer to them throughout this chapter. Before we talk about specific blacklists and how to implement them, we’ll delve into what DNSBLs are and how they work. UNDERSTANDING DNS BLACKLISTS DNSBLs are an integral part of any spam-fighting toolkit. The fact that many, many users on the Internet are updating them means you get the benefit of block- ing a spammer before the first piece of spam even hits you. To understand how DNSBLs help, you need to know the types of DNSBLs available and how they work. Types of DNSBLs Currently, two different types of DNS Blacklists are used: ■ IP-based blacklists ■ Domain-based blacklists The majority of DNSBLs are IP-based, which look at the Internet Protocol (IP) ad- dress of the server sending the mail. -
Milkyway Networks Black Hole Firewall Version 3.01E2, Against the Requirements Specified by the Common Criteria for Information Technology Security Evaluation [COM96]
Security Target MILKYWAY NETWORKS BLACK HOLE FIREWALL Version 3.01E2 for SPARCstations November 1997 CEPL-5b Milkyway Networks Black Hole Firewall - Security Target v3.01E2 Executive Summary The Communications Security Establishment (CSE) operates the Trusted Product Evaluation Program (TPEP), the goal of which is to provide third-party critical analysis and testing of commercially developed computer security products which might be used by the Government of Canada. One type of computer security product evaluated within the TPEP is the firewall. This TPEP security target documents the results of the CSE evaluation of Milkyway Networks Black Hole Firewall version 3.01E2, against the requirements specified by the Common Criteria for Information Technology Security Evaluation [COM96]. Details of Black Hole, in terms of its architecture, features, and evaluated configuration, can be found in the document entitled Final Evaluation Report for Milkyway Networks Black Hole Firewall Version 3.01E2 for SPARCstations [CSE97a]. Black Hole is designed to protect resources on an internal (private) network from users on an external (public) network. Access through the firewall is mediated on the basis of rules defined by the administrator, who defines the firewall’s users, services, and rules. Black Hole includes support for user identification and authentication. It also supports host-to-host connection restrictions of: common Internet services (such as Telnet, File Transfer Protocol [FTP], HyperText Transfer Protocol [HTTP], and Gopher); the connection-oriented Transmission Control Protocol (TCP) service; and the connectionless User Datagram Protocol (UDP) service. Black Hole-protected networks can also communicate with one another through the use of a virtual private network (VPN), which establishes an encrypted channel through the external network. -
Hackers Are Trying to Reignite Wannacry with Nonstop Botnet Attacks
ANDY GREENBERG SECURITY 05.19.17 1:05 PM HACKERS ARE TRYING TO REIGNITE WANNACRY WITH NONSTOP BOTNET ATTACKS GETTY IMAGES OVER THE PAST year, two digital disasters have rocked the internet. The botnet known as Mirai knocked a swath of major sites off the web last September, including Spotify, Reddit, and The New York Times. And over the past week, the WannaCry ransomware outbreak crippled systems ranging from health care to transportation in 150 countries before an unlikely “kill-switch” in its code shut it down. Now a few devious hackers appear to be trying to combine those two internet plagues: They’re using their own copycats of the Mirai botnet to attack WannaCry’s kill-switch. So far, researchers have managed to fight off the attacks. But in the unlikely event that the hackers succeed, the ransomware could once again start spreading unabated. Under Siege Since the WannaCry ransomware worm began to fan out through the internet Friday, security researchers noticed a curious feature. When it infects a computer, it first reaches out to a certain random-looking web address, apparently as part of a check that it’s not running in a “sandbox” environment, which security researchers use to test malware samples safely. If WannaCry connects to a valid server at that specified domain, the ransomware assumes it’s under scrutiny, and goes dormant. Marcus Hutchins, a 22-year-old cybersecurity analyst for the security firm Kryptos Logic, spotted that trait last week, and immediately registered the web domain in WannaCry’s code. In doing so, he effectively neutered the malware, cutting short what would have otherwise been a far worse epidemic, and instantly becoming a minor celebrity in cybersecurity circles. -
Security Problems in the TCP/IP Protocol Suite S.M
Security Problems in the TCP/IP Protocol Suite S.M. Bellovin* [email protected] AT&T Bell Laboratories Murray Hill, New Jersey 07974 ABSTRACT The TCP/IP protocol suite, which is very widely used today, was developed under the sponsorship of the Department of Defense. Despite that, there are a number of serious security flaws inherent in the protocols, regardless of the correctness of any implementations. We describe a variety of attacks based on these flaws, including sequence number spoofing, routing attacks, source address spoofing, and authentication attacks. We also present defenses against these attacks, and conclude with a discussion of broad-spectrum defenses such as encryption. 1. INTRODUCTION The TCP/IP protocol suite[1][2], which is very widely used today, was developed under the sponsorship of the Department of Defense. Despite that, there are a number of serious security flaws inherent in the protocols. Some of these flaws exist because hosts rely on IP source address for authentication; the Berkeley ‘‘r-utilities’’[3] are a notable example. Others exist because network control mechanisms, and in particular routing protocols, have minimal or non-existent authentication. When describing such attacks, our basic assumption is that the attacker has more or less complete control over some machine connected to the Internet. This may be due to flaws in that machine’s own protection mechanisms, or it may be because that machine is a microcomputer, and inherently unprotected. Indeed, the attacker may even be a rogue system administrator. 1.1 Exclusions We are not concerned with flaws in particular implementations of the protocols, such as those used by the Internet ‘‘worm’’[4][5][6].