{"id":19636,"date":"2020-09-17T12:13:42","date_gmt":"2020-09-17T04:13:42","guid":{"rendered":"https:\/\/version-2.com\/?p=19636"},"modified":"2020-10-07T10:41:00","modified_gmt":"2020-10-07T02:41:00","slug":"martin-haller-exclusively-in-an-interview-for-greycortex","status":"publish","type":"post","link":"https:\/\/version-2.com\/zh\/2020\/09\/martin-haller-exclusively-in-an-interview-for-greycortex\/","title":{"rendered":"MARTIN HALLER EXCLUSIVELY IN AN INTERVIEW FOR GREYCORTEX"},"content":{"rendered":"\t\t
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In the header of your blog there\u2019s written \u201cIn the head of a Network Administrator: Thoughts, ideas, insights\u201d \u2013 that brings up a question: what have you been dealing with in terms of security at your clients in the past few months?

<\/strong><\/p>\n

That\u2019s a pretty good question. I\u2019ve been thinking about changing the header recently into something in the sense of \u201cIT security lies in thorough and honest work\u201d, which corresponds the most with what we come across during audits in companies.
IT departments often try to do \u201crocket science\u201d. They consider advanced and expensive technologies, such as\u00a0sandboxing<\/a><\/strong>\u00a0and\u00a0SIEM<\/a><\/strong>, skipping basic and simple concepts. For instance, they update servers twice a year, they use just a few passwords (as they haven\u2019t adopted a password manager), they administer everything under the domain admin account and they haven\u2019t performed a test disaster recovery from backup yet.
Don\u2019t get me wrong. Sandboxing and SIEM are really useful technologies. It\u2019s just that they belong to \u201cadd-on\u201d technologies, and it\u2019s necessary to get the network tidy first \u2013 get to know it inside out, be aware of all devices, setup the firewall and antivirus correctly. Basically, it\u2019s important to focus first on activities that will contribute to security the most with the least effort.

<\/p>\n

You mention sophisticated attacks and chaotic arrangement of the infrastructure \u2013 what kind of impact might they have on organizations and companies? And what risks do you as an expert link with them?

<\/strong><\/p>\n

When investigating attacks, I\u2019m often taken aback by how fast the attackers manage to perform a \u201clateral movement\u201d. It\u2019s the stage of attacks in which attackers have a device under control, and they attempt to extend it to as much of the network as possible. In many cases they manage within a few hours. For example, in one case they managed to get a\u00a0backdoor\u00a0<\/a><\/strong>to a Director\u2019s PA\u2019s computer using\u00a0spear-phishing<\/a><\/strong>. On Friday night they connected to it and within three hours they took over the domain administrator account and took control of the whole network. That\u2019s a very short time and it\u2019s really difficult for a company without 24\/7 network security monitoring to react in time.
It’s critical to invest more time in securing the internal network to make \u201clateral movement\u201d harder for the attackers and get time to detect and stop them.
Most administrators I meet put all their effort into protecting the \u201cperimeter\u201d. They see the security black and white \u2013 the Internet\u2019s full of the bad, while the internal network seems safe to them. That\u2019s a pity as the perimeter\u2019s usually very well secured and the extra time invested has little effect. On the other hand, the internal network tends to be neglected security-wise, so every single day spent securing it is noticeable.

<\/p>\n

I understand there\u2019s not a single correct approach that would protect all users. In your opinion, though, is there a \u201cmust\u201d for the companies to protect their data nowadays? Something that\u2019s changed in this respect in the past 10 years, e.g. new technologies or tools?

<\/strong><\/p>\n

The thing is that security will probably never be 100 %. There will always be some zero-day vulnerabilities, human errors, and it won\u2019t be possible to apply all security technologies (e.g. they won\u2019t be compatible with business requirements). That\u2019s why every company should have an efficient back-up system, resistant to hacker attacks. Thanks to that they\u2019ll be able to get their data back without having to pay a ransom.
The development of the cloud and fast Internet has helped a lot in this area. It\u2019s possible to make off-site backups in the cloud for a reasonable price, where the backups are protected against deleting (thanks to snapshotting, i.e. preserving a state of the storage where backups are located to a particular point in time) and natural disasters.
That doesn\u2019t mean, though, that it isn\u2019t necessary to deal with security anymore. A successful attack still means a downtime for days or weeks for companies as well as the risk of making their private data public.

<\/p>\n

So, it\u2019s not just about eliminating the causes, but prevention \u2013 it\u2019s clear that as an expert on IT security you often face misunderstanding from budget holders. What arguments or real-life cases do you use at such moments?

<\/strong><\/p>\n

Exactly, the prevention is paramount. It\u2019s cheaper to prevent problems than to deal with their consequences. Thanks to the media attention paid to the recent cyber attacks (on hospitals) the budget holders now realize the need to deal with security. The money is there. The issue is its effective allocation. Almost every IT company now \u201cdoes\u201d security. There\u2019re also a lot of vendors of security SW \/ HW solutions. Security\u2019s not a commodity, though, and the quality of individual solutions differs diametrically. The price isn\u2019t a reliable indicator, either. Our strategy is to educate the public in the area of security. And we want Czech companies and institutions to have good security.

<\/p>\n

So far, the year 2020 seems to be a year full of changes and the need to be prepared even for the most unbelievable moments, which applies to cyberattacks, too. After all, some may be considered more likely a target than others. For example, in the USA there\u2019ll be the presidential election, the Olympics in Tokyo (postponed to 2021), the world economics has shaken due to the coronavirus, and a lot of companies \u201cgo online\u201d, which poses enormous risk in itself. Are there any other events or circumstances this year that, in your opinion, may carry a higher risk of attack?

<\/strong><\/p>\n

Talking about the Olympics, I\u2019ve read an article about a cyberattack on the 2018 Winter Olympics in PyeongChang, South Korea. It was a very interesting and sophisticated attack which didn\u2019t turn into a fiasco only thanks to a coincidence and a bit of luck. I definitely recommend reading\u00a0\u201cThe Untold Story of the 2018 Olympics Cyberattack, the Most Deceptive Hack in History\u201d<\/a><\/strong>.
It\u2019s hard to say whether companies \u201cgoing online\u201d will have any influence on cybercrime. Most companies were already ready for home office and remote work. On the other hand, there are still a lot of companies on the market that are only about to modernize and digitize their processes. Due to the lack of IT people on the market, it\u2019s possible that some implementations of changes won\u2019t be done very thoroughly.

<\/p>\n

Given the direction hacker attacks have taken recently \u2013 where do you see the future of security tools?

<\/strong><\/p>\n

Good question. Apart from imposing restrictions, it\u2019s also crucial to have an overview of your network. That\u2019s the only way how to recognize that the \u201crestrictions\u201d have been overcome and there\u2019s an intruder in the network. Systems such as IDS \/ IPS will help you with that, as well as honeypots, network traffic analyzers, or SIEM systems. The choice of the system depends on the needs and possibilities of each company, though.


Apart from an early warning about a network issue, the systems are also necessary for backward incident investigation. With their help, it\u2019s possible to find out how far the attackers got, which accounts and devices were compromised, which techniques and programs they used during the attack, which data they took out, how long the network was compromised, or the intrusion vector (the route of the attack). Without such systems the investigation of attacks is strenuous and inaccurate. Especially nowadays, when ransomware groups not only encrypt the data, but also steal parts of it and subsequently publish it (unless paid), such systems are needed more than ever before. Without them it\u2019s almost impossible to find out whether any of your data got stolen during the attack, or not.\u00a0


Due to the decreasing price of network analyzers, their constant debugging, and the increasing importance of IT, I expect their adoption to grow. These technologies have a very good price \/ performance ratio.\u00a0<\/p>\n

\"Martin<\/p>\n

Martin Haller is a co-owner of\u00a0PATRON-IT<\/a>\u00a0and a technician with all his heart. He specializes in cyber security and has experience as an ethical hacker. He believes it\u2019s necessary to be able to break the network first in order to secure it well. On his blog\u00a0martinhaller.cz<\/a>\u00a0he shares updates from the field of IT security as well as his own real-life insights. He also runs his own YouTube channel \u2013 you\u2019ll find there e.g.\u00a0what a webcam attack looks like<\/a>.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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About Version 2 Digital<\/h3>

Version 2 Digital is one of the most dynamic IT companies in Asia. The company distributes a wide range of IT products across various areas including cyber security, cloud, data protection, end points, infrastructures, system monitoring, storage, networking, business productivity and communication products.\n

\nThrough an extensive network of channels, point of sales, resellers, and partnership companies, Version 2 offers quality products and services which are highly acclaimed in the market. Its customers cover a wide spectrum which include Global 1000 enterprises, regional listed companies, different vertical industries, public utilities, Government, a vast number of successful SMEs, and consumers in various Asian cities.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/p>\n

About GREYCORTEX
<\/strong>GREYCORTEX uses advanced artificial intelligence, machine learning, and data mining methods to help organizations make their IT operations secure and reliable.<\/p>\n

MENDEL, GREYCORTEX\u2019s network traffic analysis solution, helps corporations, governments, and the critical infrastructure sector protect their futures by detecting cyber threats to sensitive data, networks, trade secrets, and reputations, which other network security products miss.<\/p>\n

MENDEL is based on 10 years of extensive academic research and is designed using the same technology which was successful in four US-based NIST Challenges.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

In the header of your blog there\u2019s written \u201cIn the head […]<\/p>\n","protected":false},"author":143524195,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[24,61,99],"tags":[23,98,435],"class_list":["post-19636","post","type-post","status-publish","format-standard","hentry","category-greycortex","category-press-release","category-year2020","tag-greycortex","tag-98","tag-mendel"],"acf":[],"yoast_head":"\nMARTIN HALLER EXCLUSIVELY IN AN INTERVIEW FOR GREYCORTEX - Version 2<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/version-2.com\/zh\/2020\/09\/martin-haller-exclusively-in-an-interview-for-greycortex\/\" \/>\n<meta property=\"og:locale\" content=\"zh_HK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MARTIN HALLER EXCLUSIVELY IN AN INTERVIEW FOR GREYCORTEX - 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