Showing posts with label DDoS. Show all posts
Showing posts with label DDoS. Show all posts

Links 10/21: Report: AT&T Agrees In Principle To Buy Time Warner; SAP Raises Sales, Profit Forecast on Improved Cloud Outlook



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Report: AT&T Agrees In Principle To Buy Time Warner (Reuters via Fortune)

Peter Chernin Poised for Top Time Warner Role If $85 Billion AT&T Deal Closes (Hollywood Reporter)

AT&T Is in Advanced Talks to Acquire Time Warner (Dow Jones via NASDAQ.com)

Why Wall Street Is Split Over a Possible AT&T-Time Warner Merger (Fortune)
"The logic behind AT&T acquiring Time Warner would likely be to counteract moves by Comcast, the cable giant that also owns NBC Universal, some analysts said."


SAP Raises Sales, Profit Forecast on Improved Cloud Outlook (Bloomberg)

INTERVIEW - SAP may mull dividend hike, modest share buyback - CFO (Reuters)

Infor Draws Full Buyout Interest From Advent, Apax, CVC (Bloomberg)


Many sites including Twitter, Shopify and Spotify suffering outage (TechCrunch)
Particularly along east coast.

Internet outage swoops in and out of the US this morning (CNET News)
Still appears to be some problems as of this afternoon. Twitter still unreachable as of 3:20pm.

DDoS on Dyn Impacts Twitter, Spotify, Reddit
(Krebs on Security)


Verizon: Street Rattled by New Signs of Vulnerability (Barron's Tech Trader Daily)

D&Z's Yoh buys $100M Starpoint Solutions
(Philly.com)




Linode: "Large DDoS attacks" in Tokyo (Frankfurt, London)


Tom Paine



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Linode has experienced some DDoS attacks recently in Tokyo, as its status report indicates:

We're currently working to mitigate another large DDoS attack causing connectivity issues and packet loss in Tokyo.
Posted about 14 hours ago. Apr 22, 2016 - 08:57 UTC

I reached out to Linode for comment, and received the following statement attributed to lead network engineer, Alex Forster:

"There were three attacks several hours apart, two of which lasted approximately a half hour and one of which lasted approximately one hour. Linode was being attacked directly, not any of our customers, and the effect of the attack was severe packet loss for a subset of customers (not all due to ECMP traffic hashing)."

"As many enterprises in the cloud can attest, DDoS attacks are ever more common in any shared hosting space. However, these latest hacks have been especially large. Even as we mitigate the attacks, we're working as outlined here to upgrade the Tokyo connectivity situation."

It is important to note that no further problems have been reported since that last report, and no other regions have been impacted.

But talk of "severe packet loss for a subset of customers" is a concern.


Saturday update: Have problems spread to Frankfurt?


Linode Status Report:


Identified
We've identified the cause of these connectivity issues as a large-scale DoS attack. We're working with our upstream provider to mitigate the attack and and harden our network in Frankfurt against further attacks and will provide updates as needed.
Apr 22, 13:07 UTC


The situation appears to have stabilized since then.


 Latest problem spot: London


Degraded Network Performance in London
Incident Report for Linode
New Incident Status: Resolved
The degraded network performance and packet loss that was affecting a subset of customers in our London datacenter has been identified as related to a large DoS attack that was directed at the entire London datacenter. This attack has been fully mitigated by our upstream provider at this time.
Apr 23, 22:23 UTC