CyberSecurity Research in Crete
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1 CyberSecurity CyberSecurity Research in Crete Evangelos Markatos Institute of Computer Science (ICS) Foundation for Research and Technology Hellas (FORTH) Crete, Greece 1
2 Roadmap The problem: The trust that we used to place on our network is slowly eroding away We are being attacked Viruses, Worms, Trojans, keyboard loggers continue to plague our computers What do people say about this? Europe ENISA USA PITAC What can be done? The DCS approach Understand mechanisms and causes of cyberattacks Automate Detection of, fingerprinting of, and reaction to cyberattacks Summary and Conclusions 2
3 The erosion of trust on the Internet We used to trust computers we interacted with on the Internet Not any more Address bar spoofing: Do you know that the web server is the real one? 3
4 The erosion of trust on the Internet We used to trust our network Not any more Our network is the largest source of all attacks We used to trust our own computer Not any more (keyboard loggers can easily get all our personal information) 4
5 The erosion of trust on the Internet We used to trust our own eyes with respect to the content we were viewing on the Internet Not any more Phishing: sophisticated social engineering Attackers send users On behalf of a legitimate sender (e.g. a bank) Inviting them to sign-up for a service When users click they are requested to give their password Which ends up in the attacker s database 5
6 A simple phishing attack 6
7 A sophisticated phishing attack: Setting the stage Attackers send inviting Bank of America customers to change their address on-line 7
8 A phishing attack: hiding the tracks Legitimate Web site Pop-up Window Bank of America web site opens in the background Pop-up window (from requests user name and password 8
9 The boiling cauldron of Security Security on the Internet is getting increasingly important Worms, Viruses, and trojians, continue to disrupt our everyday activities Spywareand backdoors continue to steal our credit card numbers, our passwords, and snoop into our private lives Keyboard loggers can empty our bank accounts if they choose to do so 9
10 It used to be a problem of PCs Not any more PocketPC virus: Duts Mobile phone virus: Cabir Infects the Symbian operating system 10
11 Mobile phone viruses: The Mosquitos virus Mosquitos Virus: Attaches itself to an illegal copy of Mosquitos game Once installed it starts sending potentially expensive SMS messages to premium numbers free to download but expensive to play 11
12 Once installed Searches or nearby phones Sends itself to the owner's address list through MMS Using random names Difficult to filter out The CommWarrior Worm 12
13 How much does it cost? Financial Cost: worms cost billions of euros to lost productivity CodeRED Worm: $2.6 billion Slammer: $1.2 billion LoveLetter virus: $8.8 billion Could cyberattacks lead to loss of life? What if a medical equipment gets infected by a worm? Wrong diagnosis? Wrong treatment? What if a car gets infected by a worm? Could this lead to fatal car crash? How about Critical Infrastructures? What if a Nuclear power plant gets infected? Would this lead to failure of safety systems? Is this possible? 13
14 How much does it cost? Worms have penetrated Nuclear Power plants. The Slammer worm penetrated a private computer network at Ohio's Davis-Besse nuclear power plant in January and disabled a safety monitoring system for nearly five hours Security Focus News Luckily no harm was made The reactor was not operating at that time There was a fall-back analog monitoring system Will we be so lucky next time? 14
15 What do people say about this? ENISA ENISA: European Network and Information Security Agency PSG: Permanent Stakeholders Group Vision Document 15
16 ENISA Vision The longer-term impact of worm compromised hosts is likely to be greater in total than at present Organized Crime and terrorists introduce a level of sophistication and funding of (cyber)attacks that is far beyond what we have commonly seen in the previous 20 years of cyber security ENISA PSG i.e. things are bad and are going to get worse! 16
17 What does the community say about this? What should we do? Feb President s Information Technology Advisory Committee (in U.S.) Cyber-Security Sub-committee David Patterson, UC Berkeley Tom Leighton, MIT, and several others 17
18 Cyber-security Report Provide expert advice In IT security 18
19 Research Priorities Identified They identified 10 Research Priorities We should do Research in: Global Scale Monitoring (for cyber-attacks) Real-time Data collection storage and analysis (for cyberattacks) Automated (cyberattack) discovery from monitoring data Develop forensic-friendly architectures To summarize: Monitor for cyber-attacks and detect them early 19
20 Cybersecurity Research in Crete At DCS we do just that Monitor, detect, and fingerprint Cyberattacks 20
21 Project Coordination LOBSTER: Large Scale Monitoring of Broadband Internet Infrastructure SSA, Research Networking Testbed, funded by IST, 9 partners NoAH: Network of Affined Honeypots SSA (Design Study), Research Infrastructure Funded by DG Research, 8 partners 21
22 Publicity 22
23 What is a honeypot? An undercover computer which has no ordinary users which provides no regular service Or a few selected services if needed Just waits to be attacked Its value lies on being compromised Or in being exploited, scanned, etc. Honeypots are an easy target But heavily monitored ones If attacked, they log as much information as possible 23
24 When was a honeypot first used? Widely publicized: The cuckoo s egg By Cliff Stoll Cliff Stoll noticed a 75-cent accounting error in the computer he managed This led Cliff to discover an intruder named Hunter Instead of shutting Hunter out, Cliff started to study him He connected the modem lines to a printer He created dummy top-secret directories to lure Hunter into coming back He was paged every time Hunter was in He traced Hunter to a network of hackers Paid in cash and drugs and Reporting directly to KGB 24
25 How do we receive attacks? Three types of sensors: Traditional honeypots who wait to be attacked Collaborating organizations who install lowinteraction honeypots and forward interesting attacks to NoAH core A screensaver who forwards all unwanted traffic to NoAH Unwanted traffic received at unused IP addresses unused TCP/UDP ports 25
26 In Closing In a week from today (May 17 th) is the World Telecommunication Day 2006 (WTD) Commemorates the founding of ITU WTD 200 is Dedicated to Promoting Global Cybersecurity 26
27 In Closing Let us take this opportunity Of the World Telecommunication Day Dedicated to promoting Global Cybersecurity And promote cybersecurity and Internet Safety By promoting awareness By empowering small organizations By empowering people to contribute and make a difference Thank you all... 27
28 CyberSecurity CyberSecurity Research in Crete Evangelos Markatos Institute of Computer Science (ICS) Foundation for Research and Technology Hellas (FORTH) Crete, Greece 28
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