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Krishna Kona

Cloud Security
Insights and Research
7 Min read

Analysis of Domain Fronting Technique: Abuse and Hiding via CDNs

What is Domain Fronting? Domain fronting is a technique in which a client conceals the true intended destination of an HTTPS request from censors and network security filters by “fronting” the request with a TLS conne...
SolarWinds CyberAttack & FireEye Red Team Tools Coverage
Insights and Research
5 Min read

Zscaler Coverage for SolarWinds Cyberattacks and FireEye Red Team Tools Theft

Update On Dec 13, 2020, FireEye published additional details regarding the breach involving SolarWinds Orion supply chain attack where multiple other organizations were also impacted. FireEye also published countermea...
Phishing and Skimmer Activity
Insights and Research
6 Min read

Cyber Monday: Shopping Scams and Skimmers

As Black Friday and Cyber Monday, the biggest shopping days of the year, are just behind us, Zscaler has noticed that the attackers have taken advantage of this holiday activity for their targeted cybercrimes. This year ...
Phishing activity
Insights and Research
7 Min read

Election 2020-themed scams and threat activities

The United States presidential election is here. And as COVID-19 still runs unchecked throughout the world, 2020 continues to be an outlier year in so many ways. But one thing remains constant—scammers and threat actors ...
Security Advisory: Windows DNS Server Vulnerability ( CVE-2020-1350)
Insights and Research
2 Min read

Security Advisory: Windows DNS Server Vulnerability ( CVE-2020-1350)

Background Today is July 2020 Patch Tuesday, and Microsoft has released updates/fixes for multiple vulnerabilities. One of them is a critical vulnerability with a CVSS score of 10. What is the issue? Windows ...
Targeted attacks on Australian Networks (ACSC Advisory) - Zscaler Coverage
Insights and Research
4 Min read

Targeted attacks on Australian Networks (ACSC Advisory) - Zscaler Coverage

Background Earlier today Australian Cyber Security Centre (ACSC) released an advisory regarding a cyber campaign targeting Australian networks. The campaign is dubbed ‘Copy-paste compromises’ due to the threat actor’s...
The Emergence of Coronavirus and Olympics Scams
Insights and Research
5 Min read

The Emergence of Coronavirus and Olympics Scams

Cybercriminals have always used a crisis as an opportunity to scam people. Many in the tech industry have noticed new scams and campaigns aimed at taking advantage of people's uncertainty around the coronavirus/COVID-19 ...
2019 tax season phishing scams
Insights and Research
4 Min read

2019 tax season phishing scams

Tax time is here again and that means two things: writing big checks to Uncle Sam and, of course, a new season of tax scams brought to you by industrious and persistent malware authors. Americans feeling the rising pa...
2019 NCAA Madness - Phishing and Streaming Scams
Insights and Research
5 Min read

2019 NCAA Madness - Phishing and Streaming Scams

Last week, 64 of the best men's college basketball teams (68 if you count the First Four games) began their quest to cut down the nets in Minneapolis on April 8. Since the opening day of the NCAA men's college basketball...

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