Cisco security warnings include firewall holes, Nexus software weaknesses

Network World

Cisco has issued another batch of security warnings that include problems in its Firepower firewall (FXOS), Unified Computing System (UCS) software and Nexus switch operating system (NX-OS).

Machine learning in Palo Alto firewalls adds new protection for IoT, containers

Network World

Palo Alto Networks has released next-generation firewall (NGFW) software that integrates machine learning to help protect enterprise traffic to and from hybrid clouds , IoT devices and the growing numbers of remote workers.

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Why bother with firewalls?

IT Toolbox

I get the purpose of firewalls. Every modern operating system has firewalls installed by default these days and even the average modem has a firewall built in. In short, just about every computer under the sun has some sort of firewall built in and you cannot access the internetThey are supposed to block people and connections from doing things they are not supposed to do.

Cisco warns a critical patch is needed for a remote access firewall, VPN and router

Network World

Cisco is warning organizations with remote users that have deployed a particular Cisco wireless firewall, VPN and router to patch a critical vulnerability in each that could let attackers break into the network. out of 10 on the Common Vulnerability Scoring System lets a potential attacker send malicious HTTP requests to a targeted device.

Cisco turns out security patches 25 high-threat flaws for IOS, IOS XE

Network World

If you are a security admin with lots of systems running Cisco IOS and IOS XE software today is decidedly not your day. The vulnerabilities impact a wide-range of Cisco gear as IOS and IOS XE are the company’s most widely used operating systems. The warnings affect firewalls, wireless access points and switches. Cisco this week posted 25 “High” rated security advisories that stem from 34 vulnerabilities the company suggests should be fixed as soon as possible.

Arista embraces segmentation as part of its zero-trust security

Network World

The new software, Macro-Segmentation Service (MSS)-Group, expands the company’s MSS security-software family, which currently includes MSS Firewall for setting security policies across customer edge, data-center and campus networks.

Exploit found in Supermicro motherboards could allow for remote hijacking

Network World

Also see: What to consider when deploying a next-generation firewall | Get regularly scheduled insights: Sign up for Network World newsletters ]. BMCs are designed to permit administrators remote access to the computer so they can do maintenance and other updates, such as firmware and operating system patches. A security group discovered a vulnerability in three models of Supermicro motherboards that could allow an attacker to remotely commandeer the server.

Your security mirages

Network World

It has made me realize that most of systems security is an illusion. Everything is safe behind the firewall. While IPD/IPS and firewall networked-technology has improved so vastly, there’s nothing like a user with an infected laptop to bring in a lulu. Obscure operating systems never get hit. Yes, I was hit last week. Forensics are in progress. I got doxxed , too. Here are my favorite alternate realities: 1. Ever heard of UBFWI—as in User’s Been Fooling With It?

Remote code execution is possible by exploiting flaws in Vxworks

Network World

Eleven zero-day vulnerabilities in WindRiver’s VxWorks, a real-time operating system in use across an advertised 2 billion connected devices have been discovered by network security vendor Armis. Six of the vulnerabilities could enable remote attackers to access unpatched systems without any user interaction, even through a firewall according to Armis.

7 Cybersecurity Testing Tools and Apps for Network Security in 2021

Doctor Chaos

For each host, it’ll highlight characteristics like what OS they’re running, any firewalls they have and so on. It also runs on all major operating systems, as well as some more obscure ones too. The role of the cybersecurity professional has never been more critical.

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AWS’s Shared Responsibility Model at a Glance

Perficient - Digital Transformation

Customers are expected to manage the security and compliance of whatever they host inside of the AWS service(s) they choose to run, including customer and client data, encryption, security patches, operating system, etc. Operating system. Network and firewall. A container service allows multiple applications to share resources while running on the same operating system. Operating system. Firewall (virtual private cloud).

Advisory: Malicious North Korean Cyber Activity

SecureWorld News

The malicious documents employed in this campaign used job postings from leading defense contractors as lures and installed a data gathering implant on a victim's system. Keep operating system patches up-to-date.

Enhance Your Security Posture: Doing Four Things Can Reduce Unauthorized Penetrations by 85%

CTOvision

Secure Configurations for Network Devices such as Firewalls, Routers, and Switches. href="[link] Control 10: Secure Configurations for Network Devices such as Firewalls, Routers, and Switches. With limited budgets and shortages of skilled people, senior executives are asking, “What do we need to do to protect our systems, and how much is enough?” Patching Operating Systems: Operating systems on devices and servers must be continuously updated.

Alexa, is this a scam? Amazon alleges tech support sites used fake apps to trick new users into paying to fix bogus bugs

GeekWire

“Among other things, this extension falsely purports to provide a firewall. In the firewall section of the extension, an animation shows that the firewall is off. The animation then shows a loading power button that turns green and then states the firewall is on.

Government Agencies Discover New Chinese Malware Strain

SecureWorld News

Taidoor is installed on a target’s system as a service dynamic link library (DLL) and is comprised of two files. Keep operating system patches up-to-date. Enable a personal firewall on agency workstations, configured to deny unsolicited connection requests.

Using Secure Configurations | Standardize Your Security

Linux Academy

This included installing operating system updates, NTP servers, DNS servers, static IPs, audit log options, anti-virus, etc. Ansible can help automate the backup, and you can learn more in this month’s how-to video that covers using Ansible to back up a Cisco ASA firewall. Remember, we want to standardize the process to keep every system in our environment secure. These tools provide reporting on changes to the operating system — but come with a price tag.

Solarflare’s Open Compute Platform, Software-Defined, NIC Card

CTOvision

This is the industry’s first universal kernel bypass (UKB) solution which includes three techniques for kernel bypass: a POSIX (Portable Operating System Interface) sockets-based API (Application Program Interface), TCP (Transmission Control Protocol) Direct and DPDK (Data Plane Development Kit). Hardware based firewall – Filtering packets in both directions at a record rate of 250 nanoseconds, offering the fastest filter execution available on the market. Marty Meehan.

Top 5 Tips to Improve Your Linux Desktop Security 2017

Galido

Having Linux as your operating system is one of the better decisions you can make concerning your computer’s security. Having this OS on your desktop allows you to relax a little bit when it comes to many forms of security breaches, which would probably inflict serious damage to less security-oriented systems. Use Linux Firewall. Unless you’re really in the know when it comes to Linux, you’re probably not informed that Linux has got a firewall, and a good one at that.

Linux 64

Solarflare’s Open Compute Platform, Software-Defined, NIC Card

CTOvision

This is the industry’s first universal kernel bypass (UKB) solution which includes three techniques for kernel bypass: a POSIX (Portable Operating System Interface) sockets-based API (Application Program Interface), TCP (Transmission Control Protocol) Direct and DPDK (Data Plane Development Kit). Hardware based firewall – Filtering packets in both directions at a record rate of 250 nanoseconds, offering the fastest filter execution available on the market. Marty Meehan.

Mobile Security should be your top concern

Doctor Chaos

According to Cisco Systems, "by the end of 2014, the number of mobile-connected devices will exceed the number of people on earth, and by 2018 there will be nearly 1.4 Firewall and Intrusion Prevention Systems were put in place.

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Defeating Worms And Viruses

Galido

A virus is a self- replicating, malicious application that can easily penetrate an operating system with the sole purpose of spreading harmful programming codes. They can also utilize the errors in a network configuration as well as the loopholes of the security application and operating systems. Warnings from your firewall. Errors in your operating system and the appearance of error messages.

Technology Short Take 139

Scott Lowe

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Even worse, this isn’t just limited to Intel chips, but may also affect ARM-based systems like Apple’s M1 CPUs. Patrick Kremer writes about using vRealize Log Insight Cloud to monitor for firewall changes in a VMware Cloud on AWS environment.

Technology Short Take 136

Scott Lowe

This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. Cormac Hogan shares some lessons learned using a Kubernetes Operator to query vSphere resources. Operating Systems/Applications. Welcome to Technology Short Take #136, the first Short Take of 2021! The content this time around seems to be a bit more security-focused, but I’ve still managed to include a few links in other areas.

Linux 60

How to Remove Malicious Code, Malware from Websites?

Galido

Virusdie also helps to continuously scan your website for malware, website firewall to prevent XSS/SQLi/DDoS attacks, backup/restore, etc. Web application firewall. I hope the above listed services help you to repair hacked website and put your online business in operation. He writes about information security, focusing on web security, operating system security and endpoint protection systems.

All You Need to Know About VMI for Mobile Apps

Galido

However, when it comes to end users’ perspective VMI is just another application on their operating system whether it be, iOS, Windows, or Android. VMI needs a client that operates on both the sides and offers these applications and data. Irrespective of the underlying VMI, all the big players in the VMI scene are utilizing Android to (or “intending to”) operating their virtual mobile applications.

How to Choose the Best Vulnerability Scanning Tool for Your Business

Galido

For any business today, scanning its systems and network for vulnerabilities is of critical importance. As the name clearly suggests, a vulnerability scanner scans systems and networks to identify and report back on open ports, active IP addresses and log-ons, software, OSs (Operating Systems) etc. Such cloud-based network security scanning tools would provide continuous, hands-free monitoring of all systems and devices on all network segments (internal or perimeter).

Vulnerability Scanning – Roadmap to Securing Your Infrastructure

Linux Academy

A vulnerability scan simply scans for security flaws in systems and devices known as vulnerabilities and reports them. Keep in mind, vulnerabilities are not only within server operating systems and applications, but on network devices, IoT devices, workstations, printers, and every other computing device you have. As we continue down the path to successfully securing our infrastructure, we come to vulnerability scanning.

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Back-to-the-Future Weekend Reading - CryptDB - All Things.

All Things Distributed

Werner Vogels weblog on building scalable and robust distributed systems. Whether in-the-cloud or on-premise there is a shift to a model where individual applications need to protect themselves instead of relying on firewall-like techniques. CryptDB: Protecting Confidentiality with Encrypted Query Processing " , Raluca Ada Popa and Catherine Redfield and Nickolai Zeldovich and Hari Balakrishnan,Symposium on Operating Systems Principles Cascais, Portugal, October 2011.

Top Ten Ways Not To Sink the Kubernetes Ship

Linux Academy

Vulnerabilities at the operating system level may be exploited by rogue container workloads if not hardened. Kubernetes Operations (kops) is an enterprise-grade installer that produces a production-grade cluster and provides for the configurability needed to customize the implementation. Role binding is further controlled due to its ability to constrain resources within namespaces and lock down the kube-system and default namespaces in production.

The Hacker Mind: Shellshock

ForAllSecure

That meant I tested the release candidates -- not the final product you’d buy in the stores - for consumer-grade antivirus programs, desktop firewalls, and desktop Intrusion detection systems. It’s like the operating system left the front door wide open to attackers.

The 7 Step to Develop and Deploy Data Loss Prevention Strategy

Galido

Hackercombat aims to guide the user with this guide to inform what’s new in data loss prevention systems, including cloud access security brokers. This may type of data, encryption and security controls may provide security when data is at rest, inside the firewall. He writes about information security, focusing on web security, operating system security and endpoint protection systems.

End-to-End IaaS Workload Provisioning in the Cloud with Azure Automation and PowerShell DSC ( Part 1 )

IT Pros Rock!

In part 2 of this series, I'll provide an example of a working PowerShell DSC Configuration that can be used with Azure Automation runbooks to customize the configuration of operating system and application components running inside each VM as part of the provisioning process. In part 2 of this series, we'll walk through wiring in PowerShell DSC to configure the operating system and applications inside the VM as part of the provisioning process.

CIOs Need To Know Why Antivirus Software Can Create False Security

The Accidental Successful CIO

This is part of the reason that Microsoft went so far as to incorporate a security firewall into the Windows 10 operating system. Antivirus software can help but it’s not invincible Image Credit: Gabriel Salvadó. Almost every person with the CIO job currently has some form of antivirus software deployed within their company.

Technology Short Take 132

Scott Lowe

” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. I recently stumbled across this utility to help protect your macOS-based system against persistent malware. I’m not sure if I should put this under “Hardware” or here under “Security”: Apple’s T2 chip has an “unfixable vulnerability” that could lead to significant system compromise.

What Does It Take To Become a Computer Security Specialist

Galido

Every day new businesses and organizations that use systems to store important information are formed. A computer security specialist helps these businesses by performing security tests on data processing systems, adds software to security files, and keeps virus protection up to date. The specialist will implement computer applications or programs to combat unauthorized users from accessing the system.

Stop Malware Attacks and Online Identity Theft

Galido

Affecting a mobile phone, a computer, a laptop, or a network server, malware interrupts computing operations, hijacks networks, or access systems. This is mostly done to steal the identity of any authorized user, rob confidential data, degrade performance, spy on a device, disrupt a service, and/or disable the targeted network or system for the sole purpose of misusing data or exploiting resources.

Domains of Cybersecurity : A Brief Overview | Hacking into Cybersecurity

Linux Academy

Modern-day defense in depth strategies revolve around this same concept of making an attacker go through multiple layers of defense, with one key difference: we’re applying that to our computer systems. Think about all the controls we have in place on our networks today: firewalls, authentication systems, intrusion detection and prevention systems (network- and host-based), router and switch security, operating system security, data encryption — the list goes on and on.

Usage of Virtual Appliances in Microsoft Azure

Galido

You can also utilize virtual appliances, which are termed as virtual machines on which you have installed intrusion prevention/detection solution, software firewall or other function on your azure vnet. You can select from various operating systems. When you place your resources in the cloud utilizing Microsoft as a provider of public cloud, your network which is situated in the cloud can be termed as a n Azure virtual network (Vnet).

Here are some of the best wireless routers you can buy

TechnoBezz

Some models can also operate in wired LAN’s and mixed networks. For systems with high-speed internet connections, a wireless router can act as a firewall too. Linux is the most widely chosen operating system for a wireless router.

Website Server Planning Tips

Galido

Nothing is more important than having a web host that operates 24/7, as after all visitors can come from anywhere in the world. Ensure that your host specializes in custom firewalls for your CMS if you are using one, and updates web server scripts and systems regularly. This will prevent the conflict that often occurs on a shared system where other users are blacklisted for any reason.

Why I Love The Oracle Cloud Strategy

Chuck's Blog - EMC

It's usually infrastructure only, it's still purchased and operated as plumbing, and there are few compatible public cloud offerings. Second, there is a full line of on-prem systems engineered for database, applications and analytics. They do things other systems can't do. And, finally, Oracle has figured out how to bring subsets of the public Oracle Cloud into the data center, behind your firewall. Same functionality, same operational model, same pricing model, etc.

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Mobile Enterprise – Beyond the Fundamentals

CIO Dashboard

Building an app is actually rather straightforward for operating systems such as Android and iOS. Android is forecasted to become the number one smartphone operating system in 2011. of all the smartphones sold in 2011 will be powered by the Android operating system. The question: can enterprises really let so many different devices behind their firewall? Guest post by Dan Eckert.

Data Security and its Importance on the Internet

Galido

Keep Systems Updated. A common way for malware to attack is for it to find exploits and vulnerabilities in a system. Shield weaknesses by removing applications you no longer use, update software, browsers, operating system and plugins. Anti-virus programs can catch most malicious bugs that enter your system. Enable a firewall and a comprehensive malware removal program like Malwarebytes to detect and keep all types of malware away. Turn on your firewall.