The ceasefire of 2008 was working well and the number of missiles from out Gaza was getting very close to zero. Instead of encouraging this Israel broke the ceasefire in November with an airstrike that killed 6 Palestinians, and killed the truce with it. There is no miracle needed. What is needed is goodwill and a desire for peace. The best security measure for Sderot is a negotiated ceasefire leading to peace.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)
from the article: War won't stop rocket fire from Gaza