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Samsung Pay flaw that could be exploited by hackers

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pos securityReading Time: 3 minutes

Samsung Pay reportedly has security flaws, as serious as POS security flaws, that could help hackers skim credit cards wirelessly and make fraudulent transactions.

hackers

Security researcher Salvador Mendoza, who has discovered the limitations in Samsung Pay’s security, has explained that these limitations could be used by a hacker in any other phone to make fraudulent payments.

Many new Samsung phones have a magnetic-based contactless payment system which converts credit card data into tokens. This is done to prevent stealing of credit card numbers by hackers. But these tokens can be stolen and then used in other hardware by any hacker to make fraudulent purchases or payments.

Salvador Mendoza, who is a is a computer science college student, is a researcher too. He had made a presentation on this issue pertaining to Samsung Pay at the Black Hat 2016 conference in Las Vegas, has made it clear that the system of generating tokens is not as secure as we might believe it to be. The tokenization process gets weaker once the first token is generated from a specific card. Thus it might become easy to predict the consequent tokens from that card.

Thus any hacker can easily steal a token from a Samsung Pay device and use it in other hardware to make fraudulent transactions. Works almost like identity theft of sorts, isn’t it?

Salvador Mendoza describes this in a YouTube Video, which is in Spanish and with English subtitles, as to how the Samsung Pay flaw can be exploited. He demonstrates it using a Samsung Galaxy S6 device. A contraption strapped to the forearm is used by him to wirelessly procure the tokens, which can then be emailed to his inbox. He explains that the tokens thus procured can be compiled into another phone to make a purchase. He also demonstrates how purchases can be done by loading the token into a crude, home-made MagSpoof device.

In his Black Hat presentation, Salvador Mendoza says- “With Magspoof, I successfully made purchases with tokens obtained from Samsung Pay. However, I could not reuse them. Every token that goes through, it is burned. So there is no way to reuse it repeatedly. However, an attacker could try to guess the last 3 digits of the next token. Analyzing many entries, an attacker can narrow to a small range of possible for future tokens.”

He also discusses another scenario in his presentation- “Another possible scenario could be If a Samsung customer tries to use Samsung Pay but something happens in the middle of the transaction, and this does not go through, that token still alive. Meaning that an attacker could jam the transaction process to make Samsung Pay failed and force it to generate the next token. So the attacker will be able to use the previous tokenized number to make a purchase without any restrictions”.

Salvador Mendoza also suggests solutions for the issue in his presentation- “Samsung Pay has to work harder in the token’s expiration date, to suspend them as quickly as possible after the app generates a new one, or the app may disposed the tokens which were not implemented to make a purchase. Also Samsung Pay needs to avoid of using static passwords to “encrypt” its files and databases with the same function because eventually someone would be able to reverse it and exploit them. The databases are very sensitive. They contains delicate information to update token status, server connections instructions and validation certificates.”

This definitely is something to be taken seriously, as seriously as POS security and identity theft.

TEST YOUR EMAIL SECURITY GET YOUR INSTANT SECURITY SCORECARD FOR FREE Source: https://blog.comodo.com/comodo-news/samsung-pay-flaw-that-could-be-exploited-by-hackers/

Cyber Security

Newly Launched Cybersecurity Company Stairwell

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Chronicle

A $4.5 million seed funding round was closed by the recently launched cybersecurity firm Stairwell, which seeks to provide defence teams with more tools to detect adversaries.

Mike Wiacek, who previously formed Google’s Threat Research Division and co-founded Chronicle, Alphabet ‘s corporate security company, founded and led the new agency. As COO and general counsel, Jan Kang, former Chief Legal Officer at Chronicle, enters Stairwell.

Stairwell shared very little information about its devices, but identified them as user-centered tools designed to help security teams “understand the core relationships between their external and internal data sources,” thus helping them battle cyber attacks proactively.

Security teams today are exposed to siloed resources that are unable to detect environmental ties between their external and internal data sources to offer defence against generic risks at the baseline level only. “We began Stairwell so that security teams have a coherent view of what is good, what is evil, and why, so that they can actively protect themselves against the most advanced threats,” said Wiacek.

Accel led the funding round, but Sequoia Funds, Gradient Ventures, and Allen & Company LLC, as well as other angel investors, also participated.

Source: https://cybersguards.com/newly-launched-cybersecurity-company-stairwell/

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Cyber Security

StackRox Announced the Release of KubeLinter to Identify Misconfigurations in Kubernetes

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Kubernetes Misconfigurations

On Wednesday, Container and Kubernetes security firm StackRox announced the introduction of KubeLinter, an open source platform designed to help users find misconfigurations in implementations of Kubernetes.

KubeLinter is a tool for static inspection that tests YAML files that store configuration data for Kubernetes apps to ensure that best practises are followed for protection.

A research recently performed by StackRox found that most events linked to Kubernetes are caused by human error, with two-thirds of cases claiming misconfigurations.

Usually, checking settings is performed manually, but the company claims it’s not an easy task and it sometimes results in mistakes. The aim of KubeLinter, which is a command-line tool, is to automate the process of testing YAML files and Helm charts (used for configuration management) before they are deployed in a Kubernetes cluster.

The tool has built-in tests for typical misconfigurations, such as ensuring that the maxim of least rights is enforced, following proper hygiene of the mark, ensuring that it does not run as core, the availability of preparation probes, and the use of criteria for resources. Users will also build custom tests.

On developer computers, KubeLinter can be run, but it can also be built into the continuous integration (CI) frameworks of an enterprise.

We built KubeLinter to provide a safer, more automated way for the Kubernetes group to detect misconfigurations and deviations from best practises that restrict organisations from understanding the full potential of cloud-native applications, “said Ali Golshan, co-founder and CTO of StackRox.” Ultimately, the release of KubeLinter as an open source tool would help users of Kubernetes build hardened environments that are increasingly immune to the inherent risks created by regular changes in configuration typical in development practices.’

On GitHub, the source code for KubeLinter is available and the Kubernetes community has been encouraged to contribute to the tool, which is currently defined as being in a very early development stage.

A short video has also been published by StackRox describing why it built KubeLinter and how users can contribute to the project.

StackRox recently received financing of $26.5 million, taking the company’s overall funding secured to $61 million.

Source: https://cybersguards.com/stackrox-announced-kubelinter-misconfigurations-in-kubernetes/

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Cyber Security

How Was 2020 Cyber Security Awareness Month?

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Global corporate enterprise and indeed global society is aware of the concept of cyber security. Personally Identifyable Information (PII) data leaks, continued personal phishing expeditions and state-based adversary hacking have all brought cyber security into focus for the average person.

The average Board member is certainly more aware of the value of cyber security than in years past due in part to ransomware payments. And front-lines employees are certainly more aware of the value of cyber security due to an increased understanding of what not to do.

The state of cyber security is indeed strong. As the Cyber Security Hub Year End Report will elucidate, nearly 80% of the community feels that the overall state of cyber security, meaning operations, resiliency, compliance, awareness, etc., is improving.

But that is of course through the end of the day today. As cyber security professionals know, it’s all about tomorrow. And tomorrow is going to be a bear.

Awareness

A few years of the Mid-Year and Year End reports has shown a sustained focus and expense on Security Awareness. Cyber security executives seem comfortable with the returns to date. But we are now in a whole new world and the pre-pandemic security awareness quotient does not cut it.

Key Questions:

  • How often are you in front of the organization regarding security awareness?
  • Are you expediting security awareness the same way that you’ve always done it?
  • Is each person in the organization aware of all of the new threat vectors?

Automation

The Cyber Security Hub Automation Report is fresh out with some key takeaways. More needs to be done than there is dollars to do. Automated attacks are on the rise and the global pandemic has not been kind to budgets. That means that organizations must make choices on if they can handle any amount of cyber security automation investment.

The luckier ones are making choices on what to automate with a better understanding of the fact that while automation might eventually reduce overhead, the human resources needed to make automation work have to be found and added first.

Key Questions:

  • Do you have budget for automation?
  • If yes, do you have the talent you need for automation?
  • If no, what technical debt do you have that you could lose?

Cloud-First

We just started the Zero Trust conversation and we have to also start the SASE conversation. Our friends at Okta have a handy chart that shows four levels of a Zero Trust organization. The first level is level zero (no-relation). Common wisdom has most of global corporate enterprise at either level zero or level one. Most folks think that less than 10% are at level 3 (that’s the highest level).

The Cyber Security Hub Year End Report will showcase the fact that 75% of the community is telling us how they stopped worrying and learned to love the VPN. (That’s a reference to the title of Dr. Strangelove if you’re keeping score at home). The point being- a significant portion of the community is on the just at the front end of figuring out IAM & PAM for their organizations.

So we’ve got a long way to go on establishing a Zero Trust Network Architecture (ZTNA). And a ZTNA is only one piece of a Secure Access Service Edge (SASE). SASE is not brand new. Gartner released their first analysis of the concept at the end of last year. Solution providers do have offerings and the top of the market is buying.

Key Questions:

  • Where are you on the IAM/PAM continuum?
  • Where are you on the Zero Trust continuum?
  • Where are you on the SASE continuum?

Business Enablement

As you might know, we’ve consistently shared that cyber security has gone from the Department of No to the Department of Know ensuring that cyber security isn’t in the way of business enablement.

We’ve also covered the fact that the cyber security budget conversation with the board must no longer be based on fear but on risk. The budget conversation as we understand it is best presented by choices.

“If we implement X, spending Y, we’ll reduce risk by Z. If we don’t implement X, risk will increase by Alpha by Year End 2021.”

A significant portion of budgets for 2020 and maybe even some of 2021 were spent in March and April of 2020. The cyber crime rate is going up. To thwart the threats, cyber security executives must be tough. You’ve got threat vectors on all sides. And your budget has been shattered. (That’s a reference to Shattered by the Rolling Stones if you’re keeping score at home).

Key Questions:

  • How are you going into the budget conversation for 2021?
  • Are you able to educate the board and CEO using a risk paradigm?

Happy Cyber Security Month from Cyber Security Hub. You’ve got to be a CISO to know how much mental and intestinal fortitude is needed to get the job done. We have awareness and appreciation of how hard the job is- and the fact that it just keeps getting tougher. So take a breath, focus as you do, get back out there and keep us safe. Thank you for doing the job.

Source: https://www.cshub.com/executive-decisions/articles/how-was-2020-cyber-security-awareness-month

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