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#cybersecurity | #hackerspace | From my Gartner Blog – Updated Paper on Penetration Testing and Red Teams
I finally managed to publish the update to my paper on pentesting, “Using Penetration Testing and Red Teams to Assess and Improve Security”. It has some small tweaks from the previous version, including some additional guidance around Breach and Attack Simulation tools role.
Questions about how to define the scope of penetration tests are very common in my conversations with clients. I always tell them it should be driven primarily by their objective for running the test. Surprisingly, many have problems articulating why they are doing it.
The discussion about comparing pentests with other forms of assessments is there too, although we also published a paper focused on the multiple test methods some time ago.
A few good pieces from the document:
“Research the characteristics and applicability of penetration tests and other types of security assessments before selecting the most appropriate one for the organization. Select a vulnerability assessment if the goal is to find easily identifiable vulnerabilities.”
“Definitions for security assessments vary according to the source, with a big influence from marketing strategies and the buzzword of the day. Some vendors will define their red team service in a way that may be identified as a pentest in this research, while vulnerability assessment providers will often advertise their services as a penetration test. Due to the lack of consensus, organizations hiring a service provider to perform one of the tests described below should ensure their definition matches the one used by the vendor”
“Pentests are often requested by organizations to identify all vulnerabilities affecting a certain environment, with the intent to produce a list of “problems to be fixed.” This is a dangerous mistake because pentesters aren’t searching for a complete list of visible vulnerabilities.”
Next on the queue is the monitoring use cases paper. That’s my favorite paper and excited to refresh it again. You’ll see it here soon!
The post Updated Paper on Penetration Testing and Red Teams appeared first on Augusto Barros.
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*** This is a Security Bloggers Network syndicated blog from Security Balance authored by Unknown. Read the original post at: http://feedproxy.google.com/~r/SecurityBalance/~3/1h–omhBJ4Q/from-my-gartner-blog-updated-paper-on.html
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It’s been another fantastic year on The State of Security blog. With over 350 blogs published from all walks of the security community, we like to think of the blog as more of an industry resource that caters to not only experienced security professionals but also to those who are new to the community.
To finish the year off, I wanted to look back on some of my personal favorites. I’ve tried to include a mixture of different styles, topics and authors. If you haven’t already, have a read of the 10 State of Security blog posts below and sign up to our daily feed here.
BlueKeep (CVE- 2019-0708) was big news in 2019. The vulnerability was described as “wormable” by Microsoft, and users were warned that BlueKeep might be exploited in a similar fashion to how the WannaCry ransomware used the Eternal Blue vulnerability to spread widely in 2017. As with WannaCry, many organizations were vulnerable to this exploit, especially those who use operating systems like Windows XP. In this blog, ICS security expert, Gary DiFazio looks at the impact this vulnerability has on the ICS environment and provides some tips to help users stay secure.
Read the full blog here.
It’s almost 2020, and phishing attacks still don’t show any sign of slowing down. In this blog, David Bisson looks at six of the most common methods of phishing attacks and then provides useful tips for readers on how they can protect themselves. Also, this blog is complemented by some great graphics to share with your colleagues, family and friends.
Read the full blog on the (Read more…)
The post #cybersecurity | #hackerspace |<p> The Top 10 State of Security Blog Posts from 2019 <p> appeared first on National Cyber Security.
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#cybersecurity | #hacking | Google Online Security Blog: How Google adopted BeyondCorp: Part 4 (services)
This is the final post in a series of four, in which we set out to revisit various BeyondCorp topics and share lessons that were learnt along the internal implementation path at Google.
The first post in this series focused on providing necessary context for how Google adopted BeyondCorp, Google’s implementation of the zero trust security model. The second post focused on managing devices – how we decide whether or not a device should be trusted and why that distinction is necessary. The third post focused on tiered access – how to define access tiers and rules and how to simplify troubleshooting when things go wrong.
This post introduces the concept of gated services, how to identify and, subsequently, migrate them and the associated lessons we learned along the way.
High level architecture for BeyondCorp
Identifying and gating services
How do you identify and categorize all the services that should be gated?
Google began as a web-based company, and as it matured in the modern era, most internal business applications were developed with a web-first approach. These applications were hosted on similar internal architecture as our external services, with the exception that they could only be accessed on corporate office networks. Thus, identifying services to be gated by BeyondCorp was made easier for us due to the fact that most internal services were already properly inventoried and hosted via standard, central solutions. Migration, in many cases, was as simple as a DNS change. Solid IT asset inventory systems and maintenance are critical to migrating to a zero trust security model.
Enforcement of zero trust access policies began with services which we determined would not be meaningfully impacted by the change in access requirements. For most services, requirements could be gathered via typical access log analysis or consulting with service owners. Services which could not be readily gated by default ACL requirements required service owners to develop strict access groups and/or eliminate risky workflows before they could be migrated.
How do you know which trust tier is needed for every service?
As discussed in our previous blog post, Google makes internal services available based on device trust tiers. Today, those services are accessible by the highest trust tier by default.
When the intent of the change is to restrict access to a service to a specific group or team, service owners are free to propose access changes to add or remove restrictions to their service. Access changes which are deemed to be sufficiently low risk can be automatically approved. In all other cases, such as where the owning team wants to expose a service to a risky device tier, they must work with security engineers to follow the principle of least privilege and devise solutions.
What do you do with services that are incompatible with BeyondCorp ideals?
It may not always be possible to gate an application by the preferred zero trust solution. Services that cannot be easily gated typically fall into these categories:
- Type 1: “Non-proxyable protocols”, e.g. non-HTTP/HTTPS traffic.
- Type 2: Low latency requirements or localized high throughput traffic.
- Type 3: Administrative and emergency access networks.
The typical first step in finding a solution for these cases is finding a way to remove the need for that service altogether. In many cases, this was made possible by deprecating or replacing systems which could not be made compatible with the BeyondCorp implementation.
When that was not an option, we found that no single solution would work for all critical requirements:
- Solutions for the “Type 1” traffic have generally involved maintaining a specialized client tunneling which strongly enforces authentication and authorization decisions on the client and the server end of the connection. This is usually client/server type traffic which is similar to HTTP traffic in that connectivity is typically multi-point to point.
- Solutions to the “Type 2” problems generally rely on moving BeyondCorp-compatible compute resources locally or developing a solution tightly integrated with network access equipment to selectively forward “local” traffic without permanently opening network holes.
- As for “Type 3,” it would be ideal to completely eliminate all privileged internal networks. However, the reality is that some privileged networking will likely always be required to maintain the network itself and also to provide emergency access during outages.
It should be noted that server-to-server traffic in secure production data center environments does not necessarily rely on BeyondCorp, although many systems are integrated regardless, due to the Service-Oriented Design benefits that BeyondCorp inherently provides.
How do you prioritize gating?
Prioritization starts by identifying all the services that are currently accessible via internal IP-access alone and migrating the most critical services to BeyondCorp, while working to slowly ratchet down permissions via exception management processes. Criticality of the service may also depend on the number and type of users, sensitivity of data handled, security and privacy risks enabled by the service.
Most services required integration testing with the BeyondCorp proxy. Service teams were encouraged to stand up “test” services which were used to test functionality behind the BeyondCorp proxy. Most services that performed their own access control enforcement were reconfigured to instead rely on BeyondCorp for all user/group authentication and authorization. Service teams have been encouraged to develop their own “fine-grained” discretionary access controls in the services by leveraging session data provided by the BeyondCorp proxy.
Allow coarse gating and exceptions
Inventory: It’s easy to overlook the importance of keeping a good inventory of services, devices, owners and security exceptions. The journey to a BeyondCorp world should start by solving organizational challenges when managing and maintaining data quality in inventory systems. In short, knowing how a service works, who should access it, and what makes that acceptable are the central tenets of managing BeyondCorp. Fine-grained access control is severely complicated when this insight is missing.
Legacy protocols: Most large enterprises will inevitably need to support workflows and protocols which cannot be migrated to a BeyondCorp world (in any reasonable amount of time). Exception management and service inventory become crucial at this stage while stakeholders develop solutions.
The BeyondCorp initiative would not be sustainable at Google’s scale without the involvement of various Site Reliability Engineering (SRE) teams across the inventory systems, BeyondCorp infrastructure and client side solutions. The ability to successfully achieve wide-spread adoption of changes this large can be hampered by perceived (or in some cases, actual) reliability issues. Understanding the user workflows that might be impacted, working with key stakeholders and ensuring the transition is smooth and trouble-free for all users helps protect against backlash and avoids users finding undesirable workarounds. By applying our reliability engineering practices, those teams helped to ensure that the components of our implementation all have availability and latency targets, operational robustness, etc. These are compatible with our business needs and intended user experiences.
Put employees in control as much as possible
Employees cover a broad range of job functions with varying requirements of technology and tools. In addition to communicating changes to our employees early, we provide them with self-service solutions for handling exceptions or addressing issues affecting their devices. By putting our employees in control, we help to ensure that security mechanisms do not get in their way, helping with the acceptance and scaling processes.
Throughout this series of blog posts, we set out to revisit and demystify BeyondCorp, Google’s internal implementation of a zero trust security model. The four posts had different focus areas – setting context, devices, tiered access and, finally, services (this post).
If you want to learn more, you can check out the BeyondCorp research papers. In addition, getting started with BeyondCorp is now easier using zero trust solutions from Google Cloud (context-aware access) and other enterprise providers. Lastly, stay tuned for an upcoming BeyondCorp webinar on Cloud OnAir in a few months where you will be able to learn more and ask us questions. We hope that these blog posts, research papers, and webinars will help you on your journey to enable zero trust access.
Thank you to the editors of the BeyondCorp blog post series, Puneet Goel (Product Manager), Lior Tishbi (Program Manager), and Justin McWilliams (Engineering Manager).
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Source: National Cyber Security – Produced By Gregory Evans The founding partners of the OpenTitan project OpenTitan is an active engineering project staffed by a team of engineers representing a coalition of partners who bring ideas and expertise from many perspectives. We are transparently building the logical design of a silicon RoT, including an open […] View full post on AmIHackerProof.com
#cyberfraud | #cybercriminals | Cyber Risk Update for Construction Companies | Stoel Rives – Global Privacy & Security Blog®
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#school | #ransomware | U.S. National Guard ready for potentially devastating domestic cyberattack – Defence Blog
Source: National Cyber Security – Produced By Gregory Evans The U.S. National Guard has confirmed that it is ready to mobilize its cyberdefenses in case of a potentially devastating domestic attack. Everyday the National Guard and other state agencies are preparing and battle to protect and deter malicious cyberattacks to U.S. cyberinfrastructure, according to a […] View full post on AmIHackerProof.com
Federal Appeals Court Revives Gay-Straight Alliance Suit in Florida – The School Law Blog – Education Week
In an opinion by one of President-elect Trump’s potential Supreme Court picks, the appeals court applies the federal Equal Access Act to a Florida middle school.
View full post on Education Week: Bullying
#pso #htcs #b4inc
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The White House had an unexpected surprise on Tuesday when a hacker discovered and used a bug on publishing platform Medium to add himself as a writer to The White House’s blog.
Medium.com/@WhiteHouse is increasingly used as a major publishing
The post A hacker found another bug on the White House’s Medium blog appeared first on National Cyber Security Ventures.
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