Thank you for reading the LinuxSecurity.com weekly security newsletter. The purpose of this document is to provide our readers with a quick summary of each week's most relevant Linux security headlines.

LinuxSecurity.com Feature Extras:

Guardian Digital Mail Systems: Designed to be Secure Without Fail - Resiliency is an important factor to consider when evaluating an email security solution, yet this characteristic often goes overlooked.

How SQL / NoSQL Databases Enable Blockchain Applications to Become GDPR Compliant - Blockchain, being a decentralized & dis-intermediated data store, is being considered for rapid adoption, in several industries like Supply Chain Management, P2P Global Transactions, Internet of Things, Electoral Voting, Stock Exchanges etc...

(Jan 6)

Ryuk ransomware is believed to be the culprit behind printing and delivery issues for "all Tribune Publishing newspapers" -- as well as newspapers that used to be part of Tribune Publishing.
How Facebook's privacy woes might change the rules of the road in 2019 (Jan 7)

The past year has been nightmare for Facebook, breaking a decade-long streak of seemingly boundless growth that placed the internet giant at the center of social, political and commercial activities of billions of people around the globe. Facebook began its precipitous downhill turn in March when a whistleblower uncovered Facebook's role in helping political consultancy Cambridge Analytica harvest and use the personal data of tens of millions of users without their permission.
Hacker doxes hundreds of German politicians (Jan 7)

Since 1 December, one or more hackers have been publishing data and documents from hundreds of German politicians in a Twitter advent calendar – a massive assault on the government that wasn't discovered until Thursday night.
(Jan 8)

An old family of ransomware has returned with a new campaign which uses information about children stolen from crowdfunding websites and claims that payments made in exchange for unlocking encrypted files will be donated to good causes.
Marriott Sheds New Light on Massive Breach (Jan 6)

Commenting on a new round of information about the massive data breach that struck Starwood Hotels, Marriott International now says that the breach was somewhat less massive than originally thought, affecting roughly 383 million records rather than the 500 million originally said to have been compromised.
Singapore Airlines data breach affects 284 accounts, exposes travel details (Jan 6)

Singapore Airlines (SIA) says a software glitch was the cause of a data breach that affected 284 members of its frequent flyer programme, compromising various personal information including passport and flight details.
(Jan 9)

Security researcher Piotr Duszyński has created something that is equally impressive and disturbing: a tool that helps criminals automate their phishing attacks *and* bypass two-factor authentication (2FA).
(Jan 7)

If 2018 was the year of the data breach, the thinking among IT pros is that this will be the year companies take concrete steps to prevent future breaches.
Ethereum Classic hackers steal over $1.1M with 51% attacks (Jan 8)

Ethereum Classic, one of the most popular forks of the second most valuable cryptocurrencies by marketcap has suffered a 51-percent attack.
OXO International discloses data breach, customer data over two years impacted (Jan 10)

OXO International has disclosed a data breach which the company says may have exposed customer information over the course of two years.
(Jan 11)

With every new hack, it's becoming clearer that older forms of two-factor authentication (2FA) are no longer the reassuring security protection they once were.
Reddit Locks Down Accounts After Security Incident (Jan 10)

A large number of Reddit users have been locked out of their accounts as a precaution while the site's admins investigate potential unauthorized access.