1625714160
Microsoft 2020 Security Rebranding and Impact to Security Exams (AZ-500 and MS-500)
This video quickly explains the rebranding of Microsoft security solutions to help you match the old names to the new names. Additionally, we will cover which exams are affected by the different changes, and when you should be prepared.
AZ-500 Ultimate Exam Prep Guide - https://bit.ly/AZ500ExamPrep
AZ-500 Exam Cram (playlist)
https://youtube.com/playlist?list=PL7XJSuT7Dq_WwvvTjQZxma9xGyN1Yrpkf
Microsoft Azure Fundamentals (AZ-500) Exam Reference
https://amzn.to/3cjvZbl
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1625714160
Microsoft 2020 Security Rebranding and Impact to Security Exams (AZ-500 and MS-500)
This video quickly explains the rebranding of Microsoft security solutions to help you match the old names to the new names. Additionally, we will cover which exams are affected by the different changes, and when you should be prepared.
AZ-500 Ultimate Exam Prep Guide - https://bit.ly/AZ500ExamPrep
AZ-500 Exam Cram (playlist)
https://youtube.com/playlist?list=PL7XJSuT7Dq_WwvvTjQZxma9xGyN1Yrpkf
Microsoft Azure Fundamentals (AZ-500) Exam Reference
https://amzn.to/3cjvZbl
NOTICE: Some of our video description contain affiliate links, which means we may receive a small commission on a purchase without additional cost to you, if you buy something.
#microsoft 2020 #az-500 #ms-500
1594753020
Citrix Bugs Allow Unauthenticated Code Injection, Data Theft
Multiple vulnerabilities in the Citrix Application Delivery Controller (ADC) and Gateway would allow code injection, information disclosure and denial of service, the networking vendor announced Tuesday. Four of the bugs are exploitable by an unauthenticated, remote attacker.
The Citrix products (formerly known as NetScaler ADC and Gateway) are used for application-aware traffic management and secure remote access, respectively, and are installed in at least 80,000 companies in 158 countries, according to a December assessment from Positive Technologies.
Other flaws announced Tuesday also affect Citrix SD-WAN WANOP appliances, models 4000-WO, 4100-WO, 5000-WO and 5100-WO.
Attacks on the management interface of the products could result in system compromise by an unauthenticated user on the management network; or system compromise through cross-site scripting (XSS). Attackers could also create a download link for the device which, if downloaded and then executed by an unauthenticated user on the management network, could result in the compromise of a local computer.
“Customers who have configured their systems in accordance with Citrix recommendations [i.e., to have this interface separated from the network and protected by a firewall] have significantly reduced their risk from attacks to the management interface,” according to the vendor.
Threat actors could also mount attacks on Virtual IPs (VIPs). VIPs, among other things, are used to provide users with a unique IP address for communicating with network resources for applications that do not allow multiple connections or users from the same IP address.
The VIP attacks include denial of service against either the Gateway or Authentication virtual servers by an unauthenticated user; or remote port scanning of the internal network by an authenticated Citrix Gateway user.
“Attackers can only discern whether a TLS connection is possible with the port and cannot communicate further with the end devices,” according to the critical Citrix advisory. “Customers who have not enabled either the Gateway or Authentication virtual servers are not at risk from attacks that are applicable to those servers. Other virtual servers e.g. load balancing and content switching virtual servers are not affected by these issues.”
A final vulnerability has been found in Citrix Gateway Plug-in for Linux that would allow a local logged-on user of a Linux system with that plug-in installed to elevate their privileges to an administrator account on that computer, the company said.
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1602968400
Election Systems Under Attack via Microsoft Zerologon Exploits
U.S. government officials have warned that advanced persistent threat actors (APTs) are now leveraging Microsoft’s severe privilege-escalation flaw, dubbed “Zerologon,” to target elections support systems.
Days after Microsoft sounded the alarm that an Iranian nation-state actor was actively exploiting the flaw (CVE-2020-1472), the Cybersecurity Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) published a joint advisory warning of further attacks.
The advisory details how attackers are chaining together various vulnerabilities and exploits – including using VPN vulnerabilities to gain initial access and then Zerologon as a post-exploitation method – to compromise government networks.
“This recent malicious activity has often, but not exclusively, been directed at federal and state, local, tribal and territorial (SLTT) government networks,” according to the security advisory. “Although it does not appear these targets are being selected because of their proximity to elections information, there may be some risk to elections information housed on government networks.”
With the U.S. November presidential elections around the corner – and cybercriminal activity subsequently ramping up to target election infrastructure and presidential campaigns – election security is top of mind. While the CISA and FBI’s advisory did not detail what type of elections systems were targeted, it did note that there is no evidence to support that the “integrity of elections data has been compromised.”
Microsoft released a patch for the Zerologon vulnerability as part of its August 11, 2020 Patch Tuesday security updates. Exploiting the bug allows an unauthenticated attacker, with network access to a domain controller, to completely compromise all Active Directory identity services, according to Microsoft.
Despite a patch being issued, many companies have not yet applied the patches to their systems – and cybercriminals are taking advantage of that in a recent slew of government-targeted attacks.
The CISA and FBI warned that various APT actors are commonly using a Fortinet vulnerability to gain initial access to companies. That flaw (CVE-2018-13379) is a path-traversal glitch in Fortinet’s FortiOS Secure Socket Layer (SSL) virtual private network (VPN) solution. While the flaw was patched in April 2019, exploitation details were publicized in August 2019, opening the door for attackers to exploit the error.
Other initial vulnerabilities being targeted in the attacks include ones in Citrix NetScaler (CVE-2019-19781), MobileIron (CVE-2020-15505), Pulse Secure (CVE-2019-11510), Palo Alto Networks (CVE-2020-2021) and F5 BIG-IP (CVE-2020-5902).
After exploiting an initial flaw, attackers are then leveraging the Zerologon flaw to escalate privileges, researchers said. They then use legitimate credentials to log in via VPN or remote-access services, in order to maintain persistence.
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Everything around us has become smart, like smart infrastructures, smart cities, autonomous vehicles, to name a few. The innovation of smart devices makes it possible to achieve these heights in science and technology. But, data is vulnerable, there is a risk of attack by cybercriminals. To get started, let’s know about IoT devices.
What are IoT devices?
The Internet Of Things(IoT) is a system that interrelates computer devices like sensors, software, and actuators, digital machines, etc. They are linked together with particular objects that work through the internet and transfer data over devices without humans interference.
Famous examples are Amazon Alexa, Apple SIRI, Interconnected baby monitors, video doorbells, and smart thermostats.
How could your IoT devices be vulnerable?
When technologies grow and evolve, risks are also on the high stakes. Ransomware attacks are on the continuous increase; securing data has become the top priority.
When you think your smart home won’t fudge a thing against cybercriminals, you should also know that they are vulnerable. When cybercriminals access our smart voice speakers like Amazon Alexa or Apple Siri, it becomes easy for them to steal your data.
Cybersecurity report 2020 says popular hacking forums expose 770 million email addresses and 21 million unique passwords, 620 million accounts have been compromised from 16 hacked websites.
The attacks are likely to increase every year. To help you secure your data of IoT devices, here are some best tips you can implement.
Tips to secure your IoT devices
1. Change Default Router Name
Your router has the default name of make and model. When we stick with the manufacturer name, attackers can quickly identify our make and model. So give the router name different from your addresses, without giving away personal information.
2. Know your connected network and connected devices
If your devices are connected to the internet, these connections are vulnerable to cyber attacks when your devices don’t have the proper security. Almost every web interface is equipped with multiple devices, so it’s hard to track the device. But, it’s crucial to stay aware of them.
3. Change default usernames and passwords
When we use the default usernames and passwords, it is attackable. Because the cybercriminals possibly know the default passwords come with IoT devices. So use strong passwords to access our IoT devices.
4. Manage strong, Unique passwords for your IoT devices and accounts
Use strong or unique passwords that are easily assumed, such as ‘123456’ or ‘password1234’ to protect your accounts. Give strong and complex passwords formed by combinations of alphabets, numeric, and not easily bypassed symbols.
Also, change passwords for multiple accounts and change them regularly to avoid attacks. We can also set several attempts to wrong passwords to set locking the account to safeguard from the hackers.
5. Do not use Public WI-FI Networks
Are you try to keep an eye on your IoT devices through your mobile devices in different locations. I recommend you not to use the public WI-FI network to access them. Because they are easily accessible through for everyone, you are still in a hurry to access, use VPN that gives them protection against cyber-attacks, giving them privacy and security features, for example, using Express VPN.
6. Establish firewalls to discover the vulnerabilities
There are software and firewalls like intrusion detection system/intrusion prevention system in the market. This will be useful to screen and analyze the wire traffic of a network. You can identify the security weakness by the firewall scanners within the network structure. Use these firewalls to get rid of unwanted security issues and vulnerabilities.
7. Reconfigure your device settings
Every smart device comes with the insecure default settings, and sometimes we are not able to change these default settings configurations. These conditions need to be assessed and need to reconfigure the default settings.
8. Authenticate the IoT applications
Nowadays, every smart app offers authentication to secure the accounts. There are many types of authentication methods like single-factor authentication, two-step authentication, and multi-factor authentication. Use any one of these to send a one time password (OTP) to verify the user who logs in the smart device to keep our accounts from falling into the wrong hands.
9. Update the device software up to date
Every smart device manufacturer releases updates to fix bugs in their software. These security patches help us to improve our protection of the device. Also, update the software on the smartphone, which we are used to monitoring the IoT devices to avoid vulnerabilities.
10. Track the smartphones and keep them safe
When we connect the smart home to the smartphone and control them via smartphone, you need to keep them safe. If you miss the phone almost, every personal information is at risk to the cybercriminals. But sometimes it happens by accident, makes sure that you can clear all the data remotely.
However, securing smart devices is essential in the world of data. There are still cybercriminals bypassing the securities. So make sure to do the safety measures to avoid our accounts falling out into the wrong hands. I hope these steps will help you all to secure your IoT devices.
If you have any, feel free to share them in the comments! I’d love to know them.
Are you looking for more? Subscribe to weekly newsletters that can help your stay updated IoT application developments.
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