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Questions tagged [architecture]

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In general terms does the use of ARM architecture pose any security benefits or risks over other architectures such as x86 and x64?

For example considering that ARM has TrustZone technology, and a potential reduced attack vector because it is based on a simpler RISC (Reduced Instruction Set Computing) based architecture instead of ...
Bob Ortiz's user avatar
  • 6,665
0 votes
1 answer
129 views

No csrf token, instead sessiontokens?

Will a random-generated-session-key be enough, so that I can end the usage of csrf token? The front end, will receive the token when logged in. It will be stored in «local storage» at the client’s ...
OrangeSquare's user avatar
1 vote
1 answer
126 views

In a system architecture, to what extent an admin user should have access to consumer resources?

Let's say I'm building a system, similar to a very simple ecommerce. Users can sign up as consumer and start buying products. Purchases are then stored in the database together with the order status, ...
hubfix's user avatar
  • 23
1 vote
0 answers
145 views

Is there a real gain in terms of security by not using a reverse proxy?

I need to implement a web application consisting of the components FE (Nginx + React.js) BE (Java SpringBoot) DB (MySQL) For simplicity we will assume that the DB runs in localhost on BE's machine. ...
Dan10's user avatar
  • 11
0 votes
0 answers
76 views

Prevention of User Tampering the API by Serverless clients which are in sync with the real world client

As we all know, never trust the client, when they send data to your server. However what if you prevent data manipulation by completely restructuring the architecture to something like the following: ...
mrtechtroid's user avatar
0 votes
1 answer
968 views

SSH over HTTPS or Directly open Non Standard port

We have a situation where we have an architecture that calls for a Web based UI for querying some data and the data input is through rsync over SSH. I think it would be easier to manage and more ...
Osada Lakmal's user avatar
0 votes
0 answers
116 views

Brute force prevention and alike with stateless API architecture

What are the patterns (best practices, whatever) to prevent brute force (and features alike) in stateless API architectures that keep the system stateless? Couldn't find anything regarding this topic. ...
GalacticRanger's user avatar
0 votes
0 answers
102 views

Security Risks with Event Streaming

At a high level based on the technology of event store and streaming (i.e. Apache Kafka, Amazon Kinesis, etc.) to decouple systems and make them event driven systems. I was wondering what new ...
Rivesticles's user avatar
0 votes
1 answer
1k views

Is there a difference between a bootkit and a ring-0 rootkit?

I understand the difference between a Ring-0 rootkit and a Ring-3 rootkit, in terms of their hierarchical depth in computational models. That is kernel mode and usermode, respectively. I am confused ...
questioner's user avatar
0 votes
0 answers
82 views

Network Segmentation - Single Firewall VM vs Multiple

I am currently implementing a new network with different segments. The separation of those segments is achieved using VLANs. To enable some segments to communicate with each other and to be reached ...
valkyrie's user avatar
1 vote
1 answer
595 views

End To End Encryption Model

I have an architecture which requires a certain subset of data to be more heavily secured and encrypted. The main parameters which I believe meet the scope of the project are as follows: Data should ...
Eric Uldall's user avatar
1 vote
2 answers
1k views

Refresh token replay detection

I'm trying to detect refresh token reuse / replay. A typical approach: send refresh token (on login or refresh) create refresh token as opaque value (e.g. buffer from a CSPRNG) base64 encode value ...
lonix's user avatar
  • 445
2 votes
0 answers
158 views

What are the "Design Patterns" for working with HSMs?

I've been attempting to learn about the different features and uses of HSMs, and I keep thinking that someone must have put together a set of design patterns for different ways that HSMs can be used ...
bnsmith's user avatar
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0 votes
0 answers
106 views

Are there any security architecture patterns in the same way there are software design patterns (GOF)?

So I've been googling around and couldn't find an answer to my question (I don't discount the option that I could be asking the wrong question after all). I see there is a question that deals with ...
4d4143's user avatar
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15 votes
1 answer
6k views

Security considerations of x86 vs x64

What if any, are the security considerations of deciding to use an x64 vs x86 architecture?
WireInTheGhost's user avatar
0 votes
1 answer
374 views

Using an HSM to protect encrypted data even when a server is compromised

Imagine a system architecture where an API server is able to send a request to an HSM, and the HSM is able to decrypt some data for a particular user/customer, in order to serve some hypothetical ...
bnsmith's user avatar
  • 87
1 vote
0 answers
110 views

Do i place this service in the DMZ or datacentre(internal)?

I have setup a VM on our internal network and it is assigned an internal IP address. The VM requires connectivity to a couple of internet sites mainly Microsoft and ports are generally 80 and 443. ...
Architect 's user avatar
1 vote
1 answer
193 views

Should IDM be private or exposed for app login?

In the diagram below, I have two options for authenticating into a protected resource. Both options use an Identity & Access Management (IDM) tool (in this case keycloak) to store credentials and ...
Joe's user avatar
  • 11
1 vote
0 answers
135 views

Has hackers ever used a microarchitectural side channel to launch an attack?

I'm a student of computer architecture and I just got through a class on Hardware Security. We spent a considerable amount of time learning about microarchitectural side channels, reading papers on ...
Cedar's user avatar
  • 121
0 votes
1 answer
132 views

Vulnerability in which part of the Android architecture would allow an attacker to take control of the hardware [closed]

This question is intended for better understanding of security features of Android architecture. In particular, I want to know what part of the architecture needs to be secure to prevent an attacker ...
Ritesh Singh's user avatar
3 votes
1 answer
3k views

Propagating user context between microservices secured with M2M JWT tokens

We have a current microservice architecture where we secure communication between microservices via Machine-To-Machine access tokens (these tokens are obtained using the Client Credentials grant flow)....
Spongeboy's user avatar
  • 151
0 votes
1 answer
120 views

Implications of querying OrientDB directly from front-end

Give that OrientDB exposes a REST HTTP API, and that it seems to have quite a few security features, what are the (especially security) implications of querying OrientDB directly from a front end web ...
DJakarta's user avatar
1 vote
1 answer
719 views

Safety difference between running on localhost versus the private internal ip address?

I am wondering if there is any additional security increase by choosing to run your webserver on an internal private ip address and port like xyz.ab.cd.efg:8080 versus localhost:8080 or 127.0.0.1:8080 ...
user1709076's user avatar
1 vote
1 answer
360 views

Is it acceptable to have SPA + API from security point of view?

We are building something like specific blogging social platform. Architecture was originally intended as to have: single page application: all gui, rendered in the browser on the client frontend: ...
ooouuiii's user avatar
  • 389
0 votes
1 answer
350 views

Exploiting a service on 32bit OS on a 64bit processor with ShellCode

Let's theoretically assume I have an overflow vulnerability on a certain service I want to exploit. The service reside in 32bit Operating System on a 64bit Processor. I'm attempting to wrap my head ...
sahar q's user avatar
2 votes
1 answer
106 views

Implications re security practices of full account access granted to third parties

I'm working with a company (say, Acme) that does some ongoing data collection and processing for me. The data in question is private but not all that sensitive. Part of Acme's service has password-...
Barney's user avatar
  • 121
0 votes
1 answer
486 views

Are SSH certificates more secure for service accounts?

I'm considering how to deploy a service that needs SSH access to many important boxes in my infrastructure. Rather than store a long-lived SSH private key in a key store that the service could request,...
TopherIsSwell's user avatar
1 vote
1 answer
2k views

Should the Router or Firewall Come First?

Network scenario.... I have a typical enterprise network meaning ISP > Edge Router > Firewall|DMZ > Switch > LAN I know there are several debates about what device comes first, but ...
errMSG's user avatar
  • 197
0 votes
1 answer
1k views

API Key via Basic Auth: Send it as a username or as a password?

In APIs that authenticates with a single API key (eg a long random string) via Basic Auth, I have seen that most (eg Stripe, Unbounce) sends the API key as the username, leaving the password field ...
Victor's user avatar
  • 423
0 votes
1 answer
115 views

Debating between architecture options for offline updating of Linux machines in a vertically segregated network

My coworker and I are discussing the pros/cons between two potential architecture options, and I would like to gather feedback on which option is better and why. First, a description of the ...
Peter Adamson's user avatar
0 votes
1 answer
113 views

a chain of 3 federated IdPs

My client has 5 different identity and access management solutions. Until now they have been asking each one of their suppliers to add 5 trusted parties to their IAM solution, implement different URLs ...
aquaman's user avatar
  • 93
1 vote
0 answers
158 views

Is there any advantage in using Google's IAM on Android?

We are building a few corporate apps for field workers / front office. In most cases each user will have their own device, but there are some shared devices (for example reception). The devices are ...
aquaman's user avatar
  • 93
0 votes
1 answer
2k views

Where precisely are client X509 certificates stored?

Apologies for what might seem like a naive question, but there is a detail to PKI architecture between clients and servers, the answer to which I have so far not been able to come across no matter ...
RTF's user avatar
  • 103
3 votes
2 answers
589 views

How does a security countermeasure failure impact a system?

In the context of safety-critical systems, such as transportation systems, it is important to verify if such systems meet/do not meet safety requirements. ISO26262 expresses these requirements as a ...
Jean Oudot's user avatar
0 votes
2 answers
150 views

OAuth 2.0, what should it be returned in the authorize endpoint if the client_id is wrong and no redirect_uri is passed

We have been working on a OAuth 2.0 IDP implementation, and during the implementation of the authorize endpoint, i couldnt find in the RFC 6749, what should happen if the client_id is not passed in ...
McDuck's user avatar
  • 105
2 votes
3 answers
4k views

2 vs 3 tier network architecture

I am interested in how a 3-tier network topology (web/app/data) provides improved security than a 2-tier topology (web-app/data). I understand the concept of a DMZ as the initial contact point with ...
Steve M's user avatar
  • 53
1 vote
1 answer
360 views

Separation of devices for VPN / Firewall [closed]

Our company has two separate firewall devices from different vendors (Checkpoint / Cisco) for firewall and VPN access. We're currently evaluating the possibility of migrating to a newer, clustered ...
Pavlos G.'s user avatar
  • 199
2 votes
1 answer
177 views

Multi Factor and order of authentication [duplicate]

I'm questionning the design and architecture around 2FA/MFA controls while authenticating to services and servers. On major platforms(*), the end-user is: first prompted for credentials (username/...
Florian Bidabé's user avatar
-1 votes
1 answer
140 views

what are steps to do in order to secure my appli web [closed]

I'm asked to secure an appli web and I don't know really which steps I can follow to secure my appli web.
user200516's user avatar
0 votes
0 answers
433 views

Pros and cons of extending L3 to the network edge (routed access layer)?

Scenario: Greenfield network rebuild for a SMB distributed over ~10 small campuses with 1 fairly large central campus spread over ~ 100 Miles. You have almost no Cap-ex budget restriction (within ...
DarkMatter's user avatar
  • 2,691
1 vote
0 answers
136 views

What would you do as first day of CSO or Head of CyberSecurity [closed]

I was asked this question at an interview today and was unable to give a structured answer since there is so many things a head of security can do. The additional info that I had were : - You can ...
tomatediabolik's user avatar
0 votes
0 answers
106 views

How could an account-based service trust a checksum provided by a client-side application whose code is open source?

Say for example that I was a digital video game provider, and my games were played via a virtual machine. Lets also say that the code for this virtual machine were open source, and that this VM was ...
Raven's user avatar
  • 281
2 votes
1 answer
221 views

How can an old hardware lead to a security failure?

I am working on critical cyber physical systems, and my work and research lead me to some questions. In the following, I assume that the attacker is not able to change the hardware of your system and ...
Ecterion's user avatar
  • 103
-2 votes
1 answer
174 views

If I put a variable in the private section of a class, will the variable have more protection againsted reverse engineering? [closed]

class LockdownUnlock{ private: /*snip*/ std::string rootCertificate; //Will this protect the data? /*snip*/ public: /*snip*/ }LDUnlock;
Ahab Devoid's user avatar
0 votes
1 answer
1k views

Are there risks in not having a edge firewall? [duplicate]

I am currently working with a client that has all their external traffic going through the core switch and then is being passed to the router and back through the core switch and then to the rest of ...
LUser's user avatar
  • 846
5 votes
2 answers
1k views

Is authentication + authorization a good idea at gateway level when using microservices?

I have this simple design: --------- ------------- ----> Queries ----> Gateway ---- RPC ----> Microservices --------- -------...
Rad'Val's user avatar
  • 151
1 vote
1 answer
564 views

Is INTEL-SA-00075 Detection and Mitigation Tool enough to mitigate IntelME attacks

Is that tool enough to mitigate/protect againts IntelME vulnerability? https://downloadcenter.intel.com/download/26755?v=t If it's not enough I more I can do to protect againts IntelME attacks ?
fekifulof's user avatar
2 votes
1 answer
647 views

Securing an HSM on the network [closed]

I've never had to place an HSM on a network before so I want to ask this question to get a consensus on best practice for this. The HSM will reside on an internal network which will look like this; ...
gkw1975's user avatar
  • 23
2 votes
2 answers
2k views

DMZ layer for web server/presentation layer

I need help explaining to non security people why I want to require the webserver/presentation layer in a dmz. I've given options for a tier two (presentation/logic -> logic/data in zones) ...
Jim Beamer's user avatar
1 vote
1 answer
329 views

My company is considering collapsing from multiple independent domains to one trust network

Currently, we have a number of domains for various purposes like back office, production, DMZ, partners, etc. There has been a change in management thinking to simplification. They want all the ...
oBreak's user avatar
  • 470