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Tornado的现金池，以DAI池子为例，每个Coin为100DAI。 目前有三个Coin：C1, C2, C3。 C1,C2,C3 在池子里，即300DAI，另外还有2个nullifier在合约里存储。 nullifier是为了防止双花的数据结构，存储的是花出去的note对应的nullifier。 C1,C2,C3 被保存在一个Merkle树中，这些Coin对外是公开的。 H1, H2是哈希函数。 接下来是deposit过程，比如Alice转100DAI到Torn...

This guidance is aimed at service owners and security specialists involved in the provision of online services.

Akamai announced our intent to acquire Linode. The acquisition is intended to create the world?s most distributed compute platform. This new cloud to edge platform will make it easier for developers and businesses to build, run, and secure applications, especially given the complexities of Web3.

1&1 Versatel is a B2B provider for fibre gigabit connections and network-related services in Germany. The company is part of the United Internet AG and as such a sister company of 1&1 AG. 1&1 Versatel operates one of the biggest and most powerful fibre networks in Germany - providing its own network in more than 250 German cities and has implemented over 50,000 business customer solutions. We?re delighted that such an innovative company has chosen to partner with Akamai to increase the reach of its customer base to include smaller enterprises and to make its operations secure.

Akamai is compliant with applicable data privacy regulations in countries where we and our customers conduct business. This is a fundamental tenet of our company?s core values. After all, when you make life better for billions of people, billions of times a day, there?s an expectation that you will also protect their lives online. And that is exactly what we do.

Learn how the threat landscape evolved in 2021 so you can tune your defenses to suit.

Summary An advisory from IBM's X-Force Research has uncovered an exploit proof of concept (PoC) involving a vulnerability in several Cisco SSL VPN devices. Threat Type Vulnerability Overview According IBM's X-Force Research team, a critical vulnerability in Cisco RV340/RV345 series SSL VPN devices has led to the discovery of a PoC that has been released to the public. Should this vulnerability be exploited, a unauthenticated remote adversary obtaining privileged arbitrary code execution. On February 11, 20

Good practises for the management of public domain names owned by your organisation.

What if you could see how a real cyberattack might unfold in your network? Imagine the insights you would gain into your security posture if you could safely and easily simulate the behavior of malicious actors before they hit your defenses. That?s what the Infection Monkey does.

代码审计必备技能,github代码对比,写一笔: 搜索某开源组建漏洞,搜索出来某个版本rce: 通过消息得出:存在漏洞版本:1.10.10 ,修复漏洞版本1.10.11 去github寻找apache-airflow: 打开就是主分支: 切换到漏洞版本分支: 有两个办法: (1)https://gi

ssrf深入利用,打redis,不仅仅是打redis,还可以做很多事情,用redis抛砖引玉 打redis重要的两个协议: (1)gopher协议 (2)dict协议 用http(s)判断出网: 如果出网,直接gopher://vps:port/,nc监听即可 机器不出网如何判断支持gopher协议

个人学习笔记1: 主题:redis写文件: 大量知识参考:http://redisdoc.com/ 查看redis所有配置选项 config get * 127.0.0.1:6379> CONFIG GET * 1) "dbfilename" 2) "dump.rdb" 3) "requirepas

ascii jar构造之旅

这是DISA的一小步，也是DoD的一大步。

2021 又是神奇的一年，因为组织架构调整，由内部安全建设转去做 toB，类似在大公司里创业。以前只是听说安全行业竞争激烈，赚不到钱，亲身入局之后，深感创业不易。近几年零信任很火，国内腾讯、阿里...

Summary Wordfence has issued a report detailing a trio of vulnerabilities in the PHP Everywhere plugin for WordPress. Threat Type Vulnerabilities Overview A critical trio of vulnerabilities has been disclosed by Wordfence. The vulnerabilities could allow for an authenticated user, including subscribers and customers, to execute code on a vulnerable site. All three vulnerabilities, CVE-2022-24663, CVE-2022-24664, and CVE-2022-24665, have a critical rating with a 9.9 CVSS score. Should a website admin install

Super Bowl LVI is almost here, and with that comes one of my favorite pastimes: watching the commercials! And you know I?m not alone ? 30% of viewers tune in to the big game primarily to see the commercials, upping the pressure on CMOs to ?get it right.? But winning the hearts and minds of the more than 100 million anticipated viewers goes far beyond creating a captivating 30- or 60-second spot. In fact, the production, supporting digital assets, celebrity endorsements, talking animals, etc. just scratch the surface when it comes to delivering an exceptional brand experience.

Locking tokens to the client IP address might seem like a good way to prevent content theft, such as sharing of authenticated URLs that include tokens. It might even appear to work in small-scale test environments. However, the internet has evolved to a point where it?s quite common for clients to use multiple source IP addresses. This is especially true when a token is created by a server on one hostname (such as a CMS) but then validated by a server on another hostname, such as an Akamai edge server, when serving content.