Policymakers and others attending the G20 summit are, predictably, warned to expect a variety of hacks and other intelligence prospecting. Warnings focus on Chinese intelligence and security services, especially given the current atmosphere of great and regional power competition over territorial rights in the South China Sea. That competition has had a cyber dimension that's widely expected to increase.

If concerns with respect to China have mostly to do with industrial espionage, the principal concern in the US with respect to Russia currently involves fears of election hacking. Circumstantial evidence of Russian involvement in recent compromises of US political sites induces US officials at the meetings to seek a firmer line with Russia over cyber conflict and cyber norms.

Meanwhile, back stateside, House Minority Leader Pelosi calls upon Republicans to stop exploiting Russian cyber capers involving Democratic campaigns.

Cisco ASA devices were among the more prominent targets threatened by the EXTRABACON exploit leaked by the Shadow Brokers. Too many of those devices are said to remain unpatched for comfort.

SEC Consult warned last year that too many embedded devices were sharing cryptographic keys. The situation apparently hasn't improved, and concerns about those devices' vulnerability to man-in-the-middle attacks continues to rise.

Kaspersky warns that an evolved version of the Gugi Trojan is now able to bypass Android 6 defenses against phishing and ransomware.

One new social media risk: complaining about PayPal on Twitter.

Google patches Quadrooter vulnerabilities.

Palantir is reported to be suing one of its early investors, alleging IP theft.